Relevant bibliographies by topics / EFFECT OF COLOUR

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'EFFECT OF COLOUR'

Author: Grafiati
Published: 3 June 2025
Last updated: 13 July 2025

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Journal articles on the topic "EFFECT OF COLOUR"

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Lucky, Tonk. "EFFECT OF COLOUR." International Journal of Research - GRANTHAALAYAH Composition of Colours, December,2014 (2017): 1–5. https://doi.org/10.5281/zenodo.888215.

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Colours can stimulate and excite people, increase their appetite, make them feel warm or make them feel tranquil. Red simply makes you excited according to those who study chromo dynamics. Coke’s website is red – it gives you a feel of a lazy, hot summer day – just when you feel the need to drink Coke.There’s more to colours in web design than just the emotional factor. People tend to gamble more under red light conditions than under blue light. Colours have impact on performance. Red lights make people act quicker and feel more powerful, which is not always beneficial, while blue makes people think more before acting. There is a reason STOP signs are red – you need to act right away and stop the vehicle you drive, otherwise you are in danger.
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K J, Sannapapamma, Sakeena Naikwadi, Deepa Bhairappanavar, Rajesh Patil, and Y. R. Aladakatti. "Effect of scouring and laundering on functional properties of natural colour cotton fabric." Environment Conservation Journal 23, no. 1&2 (2022): 143–53. http://dx.doi.org/10.36953/ecj.021787-2120.

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Natural color cotton is eco-supportive as they possess colour naturally in varied shades viz., brown, green, cream and other tints and shades of these colours. It has unique comfort and handle property which provides soothing to the wearer. A medium brown natural colour cotton fibre was spun into 20s count yarn on open end spinning and the pure colour cotton fabric was developed on handloom and subjected to scouring. The scoured natural colour cotton fabric undergone with multiple wash cycles and assessed for mechanical, functional properties, colour fastness to sunlight and washing properties. Results revealed that, the scoured natural color cotton fabrics at washing and sunlight was found to be increase in color strength and decrease in reflectance than the pure NCC fabric. After laundering at multiple washes, the scoured natural colour cotton fabric exposed to direct sunlight, it was found that the colour strength was significantly reduced and fabric became lighter, duller and yellower. However, the scoured natural colour cotton fabric subjected to washing and shade dried exhibited significantly greater K/S, which indicates the sample became darker, brighter and greener than the sample expose to direct sunlight. The natural colour cotton fabrics has better mechanical, functional and fastness properties can be suitable for production of diversified cotton products ranging from children garments to trendy outfits. Hence, the promotion of natural colour cotton fabrics is a sustainable approach for green environment.
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Nijboer, Tanja C. W., Titia Gebuis, Susan F. te Pas, and Maarten J. van der Smagt. "Interactions between colour and synaesthetic colour: An effect of simultaneous colour contrast on synaesthetic colours." Vision Research 51, no. 1 (2011): 43–47. http://dx.doi.org/10.1016/j.visres.2010.09.030.

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Dulaimy, Ahmed Jamil Sulaiman Al. "THE EFFECT OF COLOUR-CODING ON LEARNING ENGLISH SENTENCE STRUCTURE." American Journal Of Social Sciences And Humanity Research 4, no. 10 (2024): 133–42. http://dx.doi.org/10.37547/ajsshr/volume04issue10-09.

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Colour carries a psychologically relevant meaning, and the colours we see affect our psychological performance. Colour-coding impacts learners’ cognitive processing as material-oriented interventions in multimedia learning. For educational purposes, colours can be used to stimulate neural activity, allowing pupils to learn, memorize, and retain new information more efficiently. Especially for those who are visual learners, the brighter the colours are, the more they are able to capture the attention for particular types of information. (Elliot and Maier: 2012). Colour-Coding Strategy can help pupils make connections, gain knowledge and have a positive impact on attention inside the classroom. So it is not a kind of fun. Using such a strategy in teaching and learning grammar can be as simple as just asking your pupils to take out their booklets and colouring pens and markers. The current research focuses on determining the effectiveness of using colour-coding as a better tool for learning sentence structure at the primary level. In light of the aim, the research’s null hypothesis has been formulated to be tested. The design of one group has been adopted, pre and post-tests used. The sample includes (32) female pupils who are randomly selected from Qubat Al Sakhrah primary school in Mosul city.
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Syakila, A. R., M. N. Jamaludin, M. M. Quazi, M. H. Aiman, and A. Arslan. "Effect of Laser Parameters on Colour Marking of Ti6Al4V Titanium Alloy." Journal of Physics: Conference Series 2688, no. 1 (2024): 012009. http://dx.doi.org/10.1088/1742-6596/2688/1/012009.

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Abstract Colour laser marking is a contemporary method for adding colours onto metal surfaces, suitable for creating logos, barcodes, metal crafts, and jewelry. This study focused on colour laser marking on the biomedical alloy Ti6Al4V (TC4), examining how different colours manifest on its surface. Power settings ranged from 9 W to 18 W, while frequencies spanned 500 kHz to 2000 kHz. The research investigated how altering laser frequency and defocus distance influenced colour variation. Surface features were assessed using 3D optical microscopy, revealing texture and roughness traits. Results illustrated a spectrum of colours, shifting from the alloy’s original silver hue to shades like blue, gold, orange, shiny silver, violet, and several greys. Each colour displayed distinct surface texture and roughness parameters. The highest mean roughness of 2.504 μm occurred with grey, while silver had the lowest at 0.504 μm. Nevertheless, trends differed when measuring parameters like maximum peak-to-valley height and valley depth, emphasizing surface topography’s role in colour effects. This research advances the understanding of colour laser marking’s intricacies on TC4 alloy, providing insights into optimizing laser settings for specific colour outcomes and underlining the nuanced relationship between colour, texture, and surface characteristics.
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Ramos, Nuno M. M., Andrea R. Souza, Joana Maia, and Ricardo M. S. F. Almeida. "Colour degradation of façade coatings – the effect of nanopigments incorporation." E3S Web of Conferences 172 (2020): 24004. http://dx.doi.org/10.1051/e3sconf/202017224004.

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The increasing interest in the use of a wide range of colours in buildings, especially dark colours, may lead to the early degradation of the façades, compromising their aesthetic and thermal performance. On the other hand, the incorporation of nanopigments with high reflectance properties can contribute to reducing the absorption of solar radiation. The nanoparticles contribute to increasing the solar reflectance of coatings, decreasing the surface temperature and improving the coating performance. This work evaluates the natural degradation of the colour of finishing coat with nanopigments in ETICS. The colour parameters were evaluated in different ETICS specimens, considering the colour black and red with and without incorporated nanopigments, under natural ageing. The colour measurement was performed according to ISO 1164-4, using a portable spectrophotometer. The results confirmed that the use of nanopigments improved the colour durability, promoting the maintenance of the colours parameters. The total colour difference was lower than the perceptible by the human eyes, even as the lower variation on chroma and hue parameters of the colours with nanopigments. In summary, the incorporation of nanoparticles in finishing coat of ETICS can contribute to increasing their durability and improve their thermal performance without compromising the aesthetic characteristics.
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Olsson, Peter, Robin D. Johnsson, James J. Foster, John D. Kirwan, Olle Lind, and Almut Kelber. "Chicken colour discrimination depends on background colour." Journal of Experimental Biology 223, no. 24 (2020): jeb209429. http://dx.doi.org/10.1242/jeb.209429.

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ABSTRACTHow well can a bird discriminate between two red berries on a green background? The absolute threshold of colour discrimination is set by photoreceptor noise, but animals do not perform at this threshold; their performance can depend on additional factors. In humans and zebra finches, discrimination thresholds for colour stimuli depend on background colour, and thus the adaptive state of the visual system. We have tested how well chickens can discriminate shades of orange or green presented on orange or green backgrounds. Chickens discriminated slightly smaller colour differences between two stimuli presented on a similarly coloured background, compared with a background of very different colour. The slope of the psychometric function was steeper when stimulus and background colours were similar but shallower when they differed markedly, indicating that background colour affects the certainty with which the animals discriminate the colours. The effect we find for chickens is smaller than that shown for zebra finches. We modelled the response to stimuli using Bayesian and maximum likelihood estimation and implemented the psychometric function to estimate the effect size. We found that the result is independent of the psychophysical method used to evaluate the effect of experimental conditions on choice performance.
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Tonk, Lucky. "EFFECT OF COLOUR." International Journal of Research -GRANTHAALAYAH 2, no. 3SE (2014): 1–5. http://dx.doi.org/10.29121/granthaalayah.v2.i3se.2014.3554.

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Colours can stimulate and excite people, increase their appetite, make them feel warm or make them feel tranquil. Red simply makes you excited according to those who study chromo dynamics. Coke’s website is red – it gives you a feel of a lazy, hot summer day – just when you feel the need to drink Coke.There’s more to colours in web design than just the emotional factor. People tend to gamble more under red light conditions than under blue light. Colours have impact on performance. Red lights make people act quicker and feel more powerful, which is not always beneficial, while blue makes people think more before acting. There is a reason STOP signs are red – you need to act right away and stop the vehicle you drive, otherwise you are in danger.
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Kutas, Gábor, Katalin Gócza, Peter Bodrogi, and János Schanda. "Colour Size Effect." Conference on Colour in Graphics, Imaging, and Vision 2, no. 1 (2004): 70–73. http://dx.doi.org/10.2352/cgiv.2004.2.1.art00015.

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Dryukova, Anna, and Tatyana Komkova. "Effect of plastic elements thickness on colour transmission intensity with light behind." E3S Web of Conferences 389 (2023): 01011. http://dx.doi.org/10.1051/e3sconf/202338901011.

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This article looks into the possibility of transmitting different colours in 3D-printed lamps using different thicknesses of plastic. During this work, an experimental stand was created to review the quality, structure, colour and translucency of printed elements. The analysis of decorative properties of plastic depending on the environment and colour was carried out. The colour was determined and such characteristics of the coating as colour, saturation, purity were calculated.
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Dissertations / Theses on the topic "EFFECT OF COLOUR"

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Smith, Geraldine. "Colour My World: The Effect of Colour and Context on Brand Personality." Thesis, The University of Sydney Business School, Discipline of Marketing, 2023. https://hdl.handle.net/2123/29943.

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Colour has inherent meaning that evokes strong associations and is used by brand managers to capture the consumers attention and convey the brand's personality. Despite the importance of colour as a communication cue for brand identity, empirical studies of colour are still needed to consider how the meaning of colour changes in the context of specific product categories. An experiment was conducted with 1078 participants to test the effect on both brand logo colour and product category context on brand personality perceptions, as well as attitude towards the brand and purchase intention. The results of this study indicate that the effect of brand logo colour on brand personality judgments, attitude towards a brand and purchase intension is dependent upon product category context. For example, while fashion brand may be viewed as dynamic when adopting a green logo, the use of green logo in the context of technology was found to reduce perceptions that the brand was dynamic. This research contributes to marketing literature through providing initial evidence of context effects. Further, it provides marketing managers with insight into the role of brand colour, within specific industry context.
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Wikström, Daniel, and Ida Sandeberg. "Accessibility, With or Without Colour : A qualitative look on existing accessibility guidelines for colour vision deficiency and its effect on Swedish e-health services." Thesis, Tekniska Högskolan, Jönköping University, JTH, Datateknik och informatik, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-48237.

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Purpose WCAG is a set of guidelines to assist in developing websites accessible for everyone, for example people with colour vision deficiency (CVD). However, there are few guidelines relevant for CVD and with increasing dependant on websites the importance of accessibility on these websites increases as well. The purpose of the research study is therefore to investigate the impact the relevant guidelines for CVD in WCAG 2.1 has on Swedish health care websites and what the consequences are for people who live with CVD. Method An initial literature study was conducted to gain knowledge of previous findings and also evaluate the best approach for the research study. The research study is based on a qualitative approach to gain a deep understanding of the area and to gain insight into the feelings and experiences of the people affected. The methods used to gain the necessary knowledge are an evaluation of 1177.se and e-tjanster.1177.se also observations and interviews around these two websites. Findings The results show that WCAG 2.1 has a positive impact on Swedish health care websites, as well as on users with CVD. From evaluations, interviews and observations it is concluded that 1177.se and e-tjanster.1177.se are easy to perceive for people with CVD. Implications This research study was limited to the mobile version of the websites. However, the results could be different if the research was conducted on the desktop version due to the different structure of the websites and the inclusion of a cursor on desktop. The evaluation could have been affected by the sampling of pages while the interviews and observations should not have been. Limitations The research study was limited to Swedish health care website 1177.se and its subdomain etjanster. 1177.se. Further it was decided to evaluate the mobile version of these websites, although the elements should look similar on desktop and mobile. While not the initial intention, due to over representation of red-green CVD the study was also limited to people with red-green CVD. Also, the experience of browsing the web on a mobile device was considered to reduce the variables for frustrations. Further research For further research, another selection of WCAG guidelines could be considered to evaluate etjanster. 1177.se since the results shows that 1177.se’s and e-tjanster.1177.se's weaknesses seems to be in the structure of the website. A study researching the “blue-yellow colour blindness” compared to websites could contribute with new, relevant knowledge as well.
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Grijseels, Dorieke. "The effect of colour use on the quality of websites." Thesis, Umeå universitet, Institutionen för datavetenskap, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-126406.

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The design of a website is important for the success of a company. Colours play an important part in websites. The goal of this thesis is to find out how the use of colour in websites relates to the quality of websites. Different aspects are studied. First it was found that the harmony of a colour palette only weakly correlates with the quality of a website. This correlation increases when only darker colour palettes are used. Next a method was proposed to extract the colour palette from a website. This novel method takes the saliency of the pixels in a website into account. Lastly, the palettes extracted using this method were utilized to propose a model to explain the relation between colour use and quality of websites. Sixty-one different features were tested using three different methods of feature selection. The accuracy achieved in the best model was low. Future work is suggested to improve on this, which should focus on identifying more relevant features and training the model using a better database.
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Kitsara, Chrysiida. "Parametric effect of observer variability in cross-media colour reproduction." Thesis, University of Leeds, 2015. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.699229.

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The development of new imaging technologies has made the understanding of differences between observers even more demanding. The factors that influence the outcomes of cross-media colour-matching experiments were investigated in this study. In total.six cross media colour matching experiments were implemented, between physical samples and LCD monitors. The first experiment. implemented the use of a 46" LCD TV display and two sets of physical samples to perform colour matching tasks. The outcomes of this experiment are presented and discussed in two parts, each corresponding to the nature of the physical sample set. The first part, Part A, involved colour matching of the ColorChecker Chart. The second part, Part B, involved 5 garments. The garments were chosen to reflect dominant hues of the CIELAB colour space axes including red, green, yellow, blue and an achromatic grey. On both experimental parts the observers used a custom designed software interface to match the colour of the presented physical stimulus against its real size digital reproduction on the display screen. The results showed a similar magnitude of the inter-observer variations between the two experimental parts and better intra-observer performance in Part 2. The second experiment involved colour matching of solid colour printed surfaces on a desktop 20" LCD display. The printed samples were shown to two separate age groups of 10 observers under 4 different viewing angle conditions. The measured colour-matches from the LCD screen provided a dataset to estimate the inter-observer magnitude and the influence of age and viewing size factors. The dataset was used to test the newly proposed colorimetry methods using individual colour matchinq functions. On one hand the CIE2006 colorimetry framework was implemented and on the other Sarkar's Observer categories were used. The outcomes indicated the change in stimulus size as well the age of observers should be taken into consideration in colour-matching experiments. The use of the newly developed method for implementing individual colour matching functions indicated a better performance in fitting observer variability than that of the CIE Standard Observer.
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Kao, Shih-Chueh. "Evaluating the effect of colour in stereoscopic three-dimensional perception." Thesis, University of Leeds, 2015. http://etheses.whiterose.ac.uk/10735/.

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An immersive stereoscopic three-dimensional (S3D) viewing experience is constructed on a successful scene design of the content. Colour is a remarkable factor that advantages human depth perception. Previous works in colour and depth perception have shown that long-wavelength stimuli, such as red or yellow, compete with short-wavelength stimuli such as blue or green, reds and yellows appear closer than blues or greens. Saturation and brightness are considered influential in spatial design. High saturated colours tend to capture more attention than neutral colours, and brighter colours appear advance while darker colours appear receded. This research explores stereoscopic depth perception based on investigating previous findings in colour and depth perception under a current 3D cinema viewing condition. The effect of colour on stereoscopic depth perception are examined from psychophysical and depth quality viewpoints. It considers the way in which depth perception is influenced by different decisions of hue, saturation and brightness, and identifies the thresholds and depth quality of stereoscopic depth perception in different colour arrangements. In particular, different levels of hue, saturation and brightness are tested on foreground and background colour palettes in computer-generated scenes. Psychophysical trials are utilised to examine the thresholds of observers’ depth perception. A depth quality assessment is then performed to evaluate different colour arrangements in practical scenes. A polarised projection system is built for stereoscopic viewing and the image stimuli are designed and rendered in the industry-standard 3D application package. The results indicate that hue, saturation and brightness are effective in stereoscopic depth perception. However, the discriminations of depth perception are equally efficient between the standard and reversed trials in hue and saturation section, which given an inference that contrast is a more dominant value in stereoscopic depth perception. Brightness is also a dominant factor but it can be resulted an undesired depth quality if the high brightness arranged in the foreground.
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Millar, Samuel John. "The effect of ionising radiation on the appearance of meat." Thesis, Queen's University Belfast, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.241420.

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Bell, Allison. "The effect of colour on audience response in theatre scenic design." Thesis, Bell, Allison (2013) The effect of colour on audience response in theatre scenic design. Honours thesis, Murdoch University, 2013. https://researchrepository.murdoch.edu.au/id/eprint/17053/.

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Designing for the stage involves the consideration of many aesthetic elements, one of the most important being colour. Colour can affect the audience physically, psychologically and emotionally. There are also many cultural, social, historical and religious links with colour that can influence audience response. A scenic designer needs to understand how to use colour effectively in order to effectively evoke appropriate audience responses. In order to address my topic, I have compiled my research into effective colour design into sections to facilitate the reader’s understanding of the ‘why’ and the ‘what’ of colour usage in scenic design. The ‘why’ are the choices we make in our designs, why we do what we do, whilst the ‘what’ is the response we induce from the viewer. Designing purely for aesthetic beauty is insufficient in my view: there is a strong need for an understanding as to why the choices we make may actually be powerful. The case studies in this thesis involve a collection of scenic designs I have worked upon since 2010. As my understanding of this topic has developed, my designs have also evolved.
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Huang, Judy. "Inhibition-based fan effect in children engaged in letter and colour blob flanker tasks." Thesis, University of Canterbury. Psychology, 2014. http://hdl.handle.net/10092/10291.

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An inhibition-based fan effect was explored with two different negative priming tasks. Experiment 1 used a modified flanker-type colour blob task in both children and adults (Pritchard & Neumann, 2004), where two additional conditions were included (C2 and IR2). Each set of the colour blobs for the additional conditions consist of two distractor colours instead of one distractor colour. Experiment 2 used Navon’s (1977) global-local letter task, where a global letter contains one, two, or three local letters as distractors to see if an inhibitory fan effect operated on the should-be-ignored local letters. Results from both experiments did not support for the inhibition-based fan effect hypothesis. However, in line with Pritchard and Neumann (2004) and Frings et al. (2007), there was evidence for the claim that selective control mechanism are developed much earlier in young children than previously thought.
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Gouws, Anton. "Optimum temperatures for colour development in apples." Thesis, Stellenbosch : University of Stellenbosch, 2010. http://hdl.handle.net/10019.1/5164.

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Thesis (MScAgric (Horticulture))--University of Stellenbosch, 2010.<br>ENGLISH ABSTRACT: Peel colour is an important quality factor in the production of bi-coloured apple fruit. Most markets set minimum requirements for red colour coverage. Fruit that do not meet these requirements are downgraded and has a major impact on the profitability of apple production in South Africa. South African apple production areas are amongst the warmest in the world. Since anthocyanin accumulation requires induction at low temperature and synthesis require mild temperatures, experiments were conducted to investigate optimum day and night temperatures for red colour development throughout fruit development for red and bi-coloured apple cultivars grown in South Africa. We found that redder strains of bi-coloured apple cultivars did not appear to owe their enhanced pigmentation to higher temperature optima for anthocyanin synthesis. The optimum day temperatures for red colour development in the different cultivars seemed to differ between seasons, but not between production areas. In general, red colour in the cultivars evaluated developed maximally between 17 ºC and 25 ºC. The optimum day temperature for red colour development remained constant throughout fruit development for most cultivars, but increased roughly from 14 ºC to 22 ºC in ‘Cripps’ Pink’ between January and April. The extent of red colour development increased during fruit development in all the cultivars assessed. We were unable to determine optimum induction temperatures for red colour development. ‘Royal Gala’ from Ceres seemed to benefit from induction at 4 ºC while red colour in ‘Fuji’ decreased with decreasing temperature. To explain the presence of anthocyanins in immature apple fruit, we tested the hypothesis that anthocyanins protect the peel from photoinhibition and photooxidative damage during conditions of increased light stress. First we established that the rate of colour change in response to a passing cold front appears to be sufficient to provide photoprotection during a cold snap. Also in agreement with the hypothesis, ‘Cripps Pink’ peel incurred significantly more photoinhibition at low temperature (16 ºC) compared to mild (24 and 32 ºC) and high (40 ºC) temperature under high irradiance with visible light. Recovery rate was temperaturedependent, being the slowest at low temperature and increasing with temperature. The photoapparatus in ‘Cripps Pink’ peel appears to be particularly sensitive to light stress at low temperature throughout the season, with significant photoinhibition occurring even at moderate temperature (24 ºC). The sensitivity of the apple peel to photoinhibition increased throughout the season at lower irradiance levels, but remained the same at higher irradiance. In our final experiment, fruit were exposed to high irradiance at low and mild temperature before exposure to high temperature in combination with high irradiance. This was done to test the hypothesis that photoinhibition incurred during cold snaps predisposes peel to photothermal damage when temperature increases again after the cold snap. Unfortunately, due to the severity of the stress incurred in response to high temperature treatment, the results were inconclusive.<br>AFRIKAANSE OPSOMMING: Vrugkleur is ‘n belangrike kwaliteitsfaktor in die produksie van tweekleurappels. Die meeste markte stel minimum vereistes vir rooi kleurbedekking. Vrugte wat nie aan hierdie vereistes voldoen nie, word afgegradeer. Suid-Afrika se appel produksie areas word beskou as van die warmste ter wêreld. Antosianien akkumulasie benodig induksie by lae temperature gevolg deur sintese in lig by matige temperature. Gevolglik het swak rooi kleurontwikkeling onder plaaslike toestande ‘n groot impak op die winsgewendheid van appelproduksie in Suid-Afrika. Eksperimente is uitgevoer om die optimum dag- en nagtemperature vir rooi kleurontwikkeling tydens vrugontwikkeling vir die rooi en tweekleur appel kultivars wat in Suid-Afrika geproduseer word te bepaal. Ons het gevind dat die verhoogde pigmentasie van rooier seleksies van tweekleurappel kultivars nie aan ‘n hoër temperatuur optimum vir antosianiensintese toegeskryf kan word nie. Die optimum dag temperature vir rooi kleurontwikkeling vir die onderskeie kultivars verskil klaarblyklik tussen seisoene, maar nie tussen produksie areas nie. Oor die algemeen het kleurontwikkeling maksimaal plaasgevind tussen 17 ºC en 25 ºC. Die optimum dagtemperatuur vir rooi kleurontwikkeling het konstant gebly tydens vrugontwikkeling, buiten vir ‘Cripps’ Pink’ waar dit toegeneem het van ongeveer 14 ºC tot 22 ºC vanaf Januarie tot April. Die mate van rooi kleurontwikkeling het in al die kultivars toegeneem deur die loop van vrugontwikkeling . Ons kon nie daarin slaag om optimum induksie temperature vir rooi kleurontwikkeling vas te stel nie. Rooi kleurontwikkeling van ‘Royal Gala’ uit Ceres is moontlik bevorder deur induksie by 4 ºC, terwyl ‘Fuji’ se rooi kleur afgeneem het met ‘n verlaging in induksie temperatuur. Ten einde die teenwoordigheid van antosianien in onvolwasse appelvruggies te verduidelik, het ons die hipotese getoets dat antosianien die vrugskil beskerm teen fotoinhibisie en fotooksidatiewe beskadiging gedurende tydperke van verhoogde ligstres. Eerstens het ons bevestig dat die tempo van kleurontwikkeling in reaksie op ‘n koue front waarskynlik vinnig genoeg is om fotobeskerming te verleen. Vervolgens is gevind dat ‘Cripps’ Pink’ vrugskil aansienlik meer fotoinhibisie ervaar het by lae temperatuur (16 ºC) in vergelyking met matige (24 ºC en 32 ºC) en hoë (40 ºC) temperatuur onder hoë irradiasie met sigbare lig. Die hersteltempo was temperatuur-afhanklik; dit was die stadigste by lae temperatuur en het toegeneem met ‘n toename in temperatuur. Die foto-apparaat in ‘Cripps’ Pink’ vrugskil blyk besonder sensitief te wees vir ligstres by lae temperatuur regdeur die groeiseisoen met aansienlike fotoinhibisie by selfs matige temperatuur (24 ºC). Die sensitiwiteit van die vrugskil vir fotoinhibisie het toegeneem deur die groeiseisoen by laer ligvlakke, maar het dieselfde gebly by hoër vlakke van irradiasie. Laastens is vrugte blootgestel aan hoë irradiasie by lae en matige temperatuur voordat dit vervolgens blootgestel is aan hoë temperatuur in kombinasie met hoë irradiasie. Dit was om die hipotese te toets dat fotoinhibisie wat opgedoen word gedurende ‘n onverwagte koue periode, die skil meer vatbaar maak vir fototermiese skade sodra die temperatuur weer styg na die koue periode verby is. Ongelukkig het die hoë temperatuur stres al die behandelings tot so ‘n mate geaffekteer dat dit onmoontlik was om enige gevolgtrekkings vanuit ons resultate te maak.
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Aloumi, Ahmad E. "The effect of colour contrast combinations on the simplicity and complexity of design." Thesis, Bournemouth University, 2013. http://eprints.bournemouth.ac.uk/20966/.

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A common goal for designers is to deliver an intentional message from the sender to the intended receivers via design. !e design can be constructed to be a crystal-clear and interesting model that viewers can easily and immediately understand. However, some designs are intricate, complex, and layered in detail, and these require more e"ort on the part of the viewer if they are to understand the design messages. During the design process, designers pass through several stages that a"ect the design outcome. One of these key stages is the colouring process. Colour has the power to make or break the design intention. In addition, colour can either add complexity to the design by the use of di"erent colour contrasts, or help simplify a complex design form. !is research investigates the e"ect of colour combinations on simple and complex design appearance, with regard to the e"ects of contrast when colours are juxtaposed in a design. !e aim of the research is to identify which colour contrast a"ects the simplicity and complexity of a design’s appearance. !e research demonstrates how design form could be evaluated di"erently in terms of the use of di"erent colour combinations. !e research uses applied experimental methods to analyze participant responses to colour combinations. It reveals the result of the study by describing the signs of simple and complex colour combinations and the e"ect of colour on di"erent designs. !e research also proposes methods for increasing or decreasing the level of complexity of a design solution by using di"erent colour combinations with their associated e"ects on the diversity of colour contrast. All of this information is used to create a design tool which will help designers and students to make colour choices which are more suited to the design solution.
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Books on the topic "EFFECT OF COLOUR"

1

Brammer, Julian. The effect of gloss on colour. LCP, 2002.

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Anastasopoulou, Argyri. The effect of gloss on the percieved colour. LCP, 2004.

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Buttle, Francis. The effect of mail questionnaire colour on response rate. Manchester Business School, 1996.

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Buttle, Francis A. The effect of mail questionnaire colour on response rate. ManchesterBusiness School, 1996.

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Salmi, Jyri. The effect of gloss on colour measurement and appearance. LCP, 2004.

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Wohlfarth, H. Colour and light effects on students' achievement, behavior and physiology. Alberta Education, 1986.

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Reynolds, Sean E. Water soluble colour in upland peat soils: The effect of forestry on the colour store. University of Leeds, School of Geography, 1995.

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Coyne, Krystie. Colour and location: Do they effect a computer user's attention to visual stimulus? Laurentian University, Department of Psychology, 2002.

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Betty, Wood. The healing power of colour: How to use color to improve your mental, physical and spiritual well-being. Destiny Books, 1985.

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Dixon, Thomas Patrick. The effect of eye colour on reaction time manual dexterity and field dependence / independence. Laurentian University, Department of Psychology, 1986.

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Book chapters on the topic "EFFECT OF COLOUR"

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Lameris, Bregt. "6. Coloured Light, Vibrations, Temperature, and Mood." In Feeling Colour. Open Book Publishers, 2025. https://doi.org/10.11647/obp.0380.08.

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Chapter Six delves into the use of coloured light in films during the 1950s and 1960s, which was strongly connected to the discourses discussed in Chapter Five. Coloured light was also believed to make the human body and its molecules vibrate. It was believed to have healing powers and influence moods. Deviant and non-diegetic uses of coloured light were also used to increase ‘ostranenie’ or atmospheres of strangeness. This practice is traced back to Nouvelle Vague films, that experimented with the effect of Verfremdung, but also in horror films such as the then very popular Giallo films with their estranging colour palettes. These developments of increasing uses of colour to create strangeness are investigated for their correlation with the unleashing of colours during the investigation period.
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Lameris, Bregt. "4. Oscillating Op Art." In Feeling Colour. Open Book Publishers, 2025. https://doi.org/10.11647/obp.0380.05.

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Chapters Three and Four discuss the two main ways to juxtapose and combine (contrasting) colours, known as successive and simultaneous contrasts. Chapter Three elaborates on successive contrasts, that are created through a rapid succession of contrasting colours, as is often the case in films through the principle of montage. The chapter mainly elaborates on two types of successive contrasts. One is extreme dark-light contrasts, which, at the time, were also used to create hypnotic states and imaginary colours in what was known as the Flicker Film. The other type is succeeding colours, which are complementary or almost complementary. Here, in a nutshell, an afterimage is created that enhances the strength of the following colour. These successive contrasts have an awakening effect, ensuring that the audience does not doze off in the cinema. By zooming in on the cinema of the period, the particularities and connotations that came with these successive contrasts in cinema are made clear. Simultaneous colour contrasts occur when one colour influences the perception of another colour because they are placed in close vicinity to each other in the same image. This produces instabilities, changes, and fluctuations in the appearances of colours in, for example, painting. During the 1950s and 1960s, there was a high interest in this phenomenon in art-school colour education, colour psychology, and the art movement known as op art or art-cinétique. Chapter Four elaborates on how these ideas and practices can be traced back to popular and art cinema of the period, either as an aesthetic trope or because of the op artworks on display in the pro-filmic space. In those cases where many op artworks are present in the film image, they make the simultaneous contrasts combined with moiré and other effects the core aesthetics of the film image.
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Lameris, Bregt. "3. Shocking, Shifting, Straining." In Feeling Colour. Open Book Publishers, 2025. https://doi.org/10.11647/obp.0380.04.

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Chapters Three and Four discuss the two main ways to juxtapose and combine (contrasting) colours, known as successive and simultaneous contrasts. Chapter Three elaborates on successive contrasts, that are created through a rapid succession of contrasting colours, as is often the case in films through the principle of montage. The chapter mainly elaborates on two types of successive contrasts. One is extreme dark-light contrasts, which, at the time, were also used to create hypnotic states and imaginary colours in what was known as the Flicker Film. The other type is succeeding colours, which are complementary or almost complementary. Here, in a nutshell, an afterimage is created that enhances the strength of the following colour. These successive contrasts have an awakening effect, ensuring that the audience does not doze off in the cinema. By zooming in on the cinema of the period, the particularities and connotations that came with these successive contrasts in cinema are made clear. Simultaneous colour contrasts occur when one colour influences the perception of another colour because they are placed in close vicinity to each other in the same image. This produces instabilities, changes, and fluctuations in the appearances of colours in, for example, painting. During the 1950s and 1960s, there was a high interest in this phenomenon in art-school colour education, colour psychology, and the art movement known as op art or art-cinétique. Chapter Four elaborates on how these ideas and practices can be traced back to popular and art cinema of the period, either as an aesthetic trope or because of the op artworks on display in the pro-filmic space. In those cases where many op artworks are present in the film image, they make the simultaneous contrasts combined with moiré and other effects the core aesthetics of the film image.
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Jiang, Ao, and Stephen Westland. "Effect of Colour on Humans." In Vision, Illusion and Perception. Springer Nature Switzerland, 2024. https://doi.org/10.1007/978-3-031-70920-3_7.

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Gabel, Peter. "3. Measuring geometries for special effect pigments." In Colour Technology of Coatings. Vincentz Network, 2019. http://dx.doi.org/10.1515/9783748600282-005.

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Weixel, Sandra. "IX. Measuring the texture of effect finishes." In Colour Technology of Coatings. Vincentz Network, 2019. http://dx.doi.org/10.1515/9783748600282-025.

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Cavonius, C. R. "Effect of lamp voltage on Nagel anomaloscope settings." In Colour Vision Deficiencies XII. Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-011-0507-1_58.

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Kono, Momoyo, and Shinichi Yamade. "Study on color mechanism dependency in the off effect." In Colour Vision Deficiencies XII. Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-011-0507-1_25.

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Gabel, Peter, and Gerhard Pfaff. "4. Characterisation of pearlescent pigments and special effect pigments." In Colour Technology of Coatings. Vincentz Network, 2019. http://dx.doi.org/10.1515/9783748600282-029.

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Barnes, Annmarie. "12. Dangerous Duality: The "Net Effect" of Immigration and Deportation on Jamaicans in Canada." In Crimes of Colour, edited by Wendy Chan and Kiran Mirchandani. University of Toronto Press, 2001. http://dx.doi.org/10.3138/9781442602502-013.

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Conference papers on the topic "EFFECT OF COLOUR"

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T, Nivethitha, Sanjay P, Sudhir Siddharth E, Shruthika S, and Sathana S. "Analysis the Bacterial Effect of Leaf Using Colour Image Processing." In 2025 International Conference on Visual Analytics and Data Visualization (ICVADV). IEEE, 2025. https://doi.org/10.1109/icvadv63329.2025.10961756.

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Amosov, Pavel, Andrey Goryachev, and Dmitriy Makarov. "PRELIMINARY RESULTS OF DIGITAL IMAGES ANALYSIS OF THE TECHNICAL FLUIDS SURFACE BASED ON RGB-TECHNIQUE." In 24th SGEM International Multidisciplinary Scientific GeoConference 2024. STEF92 Technology, 2024. https://doi.org/10.5593/sgem2024/5.1/s20.27.

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The research objective was to develop a methodology for determining the total suspended solids concentration in wastewater based on the color indexes analysis. Determining the structure and properties of natural objects by processing its digital images has become widespread in soil science, since the soil colour is determined by its chemical and mineralogical composition. The material presented in the research can be considered as the initial steps in the development of soil science methods as applied to research objective. Based on the RGB-technique for processing digital images of the liquids surface contaminated with suspended solids, the authors tried to quantitatively describe digital indexes depending on the contamination level. At the first stage, a forecast of unknown concentration values was made. Under normal illumination conditions (about 300 lux), based on five known concentration values, approximation functions were plotted for the colour indexes SI (saturation) and CI (coloration). Two unknown concentration values were forecasted: for the exponential function through the SI-index � 210.1 and 150.5 mg/l, and through the CI-index � 235.8 and 158.8 mg/l; for a linear function through the SI-index � 250.6 and 200.1 mg/l, and through the CI-index � 267.3 and 208.2 mg/l. The unknown experimental concentrations were 237 and 158 mg/L, respectively. At the second stage, the effect of illumination was studied on samples of apatite-nepheline factory wastewater. For two illumination ranges (300-335 lux) and (290-394 lux), as well as 7 concentration values for color indexes SI and CI, linear approximation functions were plotted in the index-concentration axes.
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Gardner, Gary W. "Color and Its Effects on Coating Performance: the Value of Clear Coats." In Paint and Coatings Expo (PACE) 2008. SSPC, 2008. https://doi.org/10.5006/s2008-00025.

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Abstract To determine how colors change during weathering, ten non-leaded polyurethane colors were exposed to QUV accelerated weathering, Chicago outdoor exposure and Florida outdoor exposure. Color change, percent gloss retention and Aesthetic Ratings were made every 1000 hours in QUV up to 8000 hours, yearly in Chicago exposure for four years and yearly in Florida exposure for three years. Dramatic changes in Aesthetic Ratings revealed that some colors maintain aesthetics much longer than other colors. The same ten colors were also exposed with a clear coat topcoat. Using a clear coat improved aesthetic performance significantly and greatly reduced the differences in Aesthetic Ratings between the various colors.
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Ohno, Y., and J. Li. "A COLOUR FIDELITY MODEL BASED ON HUNT EFFECT." In CIE 2023 Conference. International Commission on Illumination, CIE, 2023. http://dx.doi.org/10.25039/x50.2023.op032.

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The perceived chroma of objects decreases at lower light levels, which is known as Hunt Effect. Several recent studies demonstrated that Hunt Effect is effective and significant at the normal indoor light levels, indicating that objects under typical indoor lighting environment are appearing less saturated compared to that under outdoor daylight. According to this principle, the preference for chroma-enhancing lights in indoor lighting may be explained as an effect of colour fidelity under different light levels. To investigate this further, a dynamic colour fidelity model was developed based on a series of vision experiments conducted recently at NIST to quantify the perceived chroma changes by Hunt Effect. The model was evaluated using the spectra of lights used in the past preference experiments, comparing its output with the visual evaluation results. The results showed that the relative colour fidelity curves for light sources of varied chroma increase levels, calculated by the model, agreed well with the visual evaluation on these lights in the experiments.
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Koyama, M., and E. Mochizuki. "EFFECTS OF LUMINOUS COLOUR SHIFT Duv ON COLOUR PREFERENCE." In CIE 2021 Conference. International Commission on Illumination, CIE, 2021. http://dx.doi.org/10.25039/x48.2021.op50.

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Subjective experiment was carried out to investigate the combined effect on the colour preference of the interior style, correlated colour temperature (CCT) and duv. Twenty university age subjects evaluated all 28 conditions with 2 types of the interior style, 2 levels of the CCT and 7 levels of the duv. This paper reports the measured results of the chromaticity shift of the interior surface due to duv and the perception of the colour difference between the condition with any other duv and that with duv0. Subjective evaluation on the colour preference of the entire space related to the interior style, CCT and duv is also summarized. It is concluded that the acceptable range of duv to be classified as the same CCT should be reconsidered, considering colour preference.
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Sebastian, Patrick, Yap Vooi Voon, and Richard Comley. "The effect of colour space on tracking robustness." In 2008 3rd IEEE Conference on Industrial Electronics and Applications (ICIEA). IEEE, 2008. http://dx.doi.org/10.1109/iciea.2008.4582971.

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Paton, G. "The Effect of Colour Blindness on Seismic Interpretation." In 78th EAGE Conference and Exhibition 2016. EAGE Publications BV, 2016. http://dx.doi.org/10.3997/2214-4609.201600883.

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Xiang, L., Y. Akuzawa, N. Yoshizawa, et al. "REPRODUCTION OF DAYLIGHTING BY LED LUMINAIRES SIMULATING ILLUMINANCE AND CORRELATED COLOUR TEMPERATURE FLUCTUATION: VERIFICATION OF PHYSIOLOGICAL AND PSYCHOLOGICAL STRESS." In CIE 2023 Conference. International Commission on Illumination, CIE, 2023. http://dx.doi.org/10.25039/x50.2023.po154.

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Easily controlled LED luminaires with a wide range of light colours and intensities have been developed recently. Their characteristics can be adjusted to mimic that of natural daylight. However, considering that the colour and intensity of daylight vary constantly with time and weather, it is necessary to verify whether the same effect can be achieved using LED luminaires for interior lighting. Therefore, this study examined a method for reproducing the correlated colour temperature (CCT) and illuminance fluctuations of daylight using LED luminaires. Two experiments were conducted using daylight or LED luminaires as the light source, and the physiological and psychological effects on the participants were compared in both experiments to verify whether the same effect can be achieved. The results showed no significant differences between daylight and LED luminaires in terms of physiological and psychological effects.
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Ogawa, Riho, Midori Tanaka, and Takahiko Horiuchi. "COLOUR PERCEPTION OF LED POINT LIGHT SOURCES IN SCOTOPIC VISION." In CIE 2021 Conference. International Commission on Illumination, CIE, 2021. http://dx.doi.org/10.25039/x48.2021.op12.

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When stimuli are made sufficiently small, colour-normal individuals report a loss in hue perception, similar to tritanopia. This effect is referred to as small-field tritanopia. The interaction between small-field tritanopia and the rods working in scotopic vision has not been clarified. In this study, the problem is investigated by freely adjusting the hue, lightness, and saturation of the test stimulus to match the colour of the reference stimulus by observers. Three colours on the blackbody radiation trajectory with colour temperatures of 3500K, 5400K, and 11600K were used as reference colours. Each stimulus subtended a diameter of 6' and 10.8'. The 5400K and 11600K stimuli were distributed diagonally from the lower left to the upper right of each reference stimulus in the CIE 1976 u’v’ uniform chromaticity scale diagram. The distribution was similar to those of tritanopia. For the 3500K stimulus, the result did not show the influence of small-field tritanopia.
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Cvetojević, Sanja, and Sandra Dedijer. "THE INFLUENCE OF COLOR ON CAPTURING CUSTOMER ATTENTION IN ONLINE PURCHASES OF ORGANIC COSMETICS CASE." In INTERNATIONAL SYMPOSIUM ON GRAPHIC ENGINEERING AND DESIGN. UNIVERSITY OF NOVI SAD FACULTY OF TECHNICAL SCIENCES DEPARTMENT OF GRAPHIC ENGINEERING AND DESIGN 21000 Novi Sad, Trg Dositeja Obradovića 6, 2024. http://dx.doi.org/10.24867/grid-2024-p55.

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This study examines the effect of colour on users in the context of online sales of organic cosmetics. The primary goal is to identify which colours most effectively capture attention and drive engagement, ultimately influencing purchasing behaviours for organic cosmetic products. Through the use of eye-tracking technology, participants' attention and focus were monitored as they observed products displayed in various colours on screens. Key metrics such as Time to First View and Time Viewed were analyzed to gain a comprehensive understanding of how participants' attention and engagement were impacted by the recommended colour tones, particularly concerning their perception of organic cosmetics. The analysis revealed that lighter tones are detected more rapidly than darker tones, with statistical analysis supporting the finding that lighter colours more effectively attract immediate attention. Additionally, stimuli in lighter tones were viewed for longer periods compared to those in darker tones. This study provides a preliminary exploration of how colour tones influence the attention and engagement of e-commerce users. The findings offer valuable insights into the emotional and cognitive dimensions of consumer engagement, enhancing our understanding of how colour affects purchasing behaviour.
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Reports on the topic "EFFECT OF COLOUR"

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Luria, S. M., David F. Neri, and Alan R. Jacobsen. The Effect of Set Size on Color Matching. Defense Technical Information Center, 1985. http://dx.doi.org/10.21236/ada150899.

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Jacobsen, A. R., and D. F. Neri. The Effect of Set Size on Color Recognition. Defense Technical Information Center, 1985. http://dx.doi.org/10.21236/ada150958.

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Jacobsen, Alan R. The Effect of Background Luminance on Color-Coding. Defense Technical Information Center, 1985. http://dx.doi.org/10.21236/ada159250.

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Kronauer, R. E., III Stromeyer, Chaparro C. F., Eskew A., and R. T. Jr. The Effects of Luminance Boundaries on Color Perception. Defense Technical Information Center, 1992. http://dx.doi.org/10.21236/ada250705.

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Jacobsen, Alan R., David F. Neri, and William H. Rogers. The Effects of Color-Coding in Geosit (Geographical Situational) Displays. 1. Color as a Redundant Code. Defense Technical Information Center, 1985. http://dx.doi.org/10.21236/ada161107.

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Nair, Ajay, and Bernard J. Havlovic. Effect of Plastic Mulch Color on Tomato Production in High Tunnels. Iowa State University, Digital Repository, 2013. http://dx.doi.org/10.31274/farmprogressreports-180814-2738.

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Neri, David F., David A. Kobus, Saul M. Luria, Steve Fan, and David Zannelli. Effect of Background/Foreground Color Coding on Detection in Acoustic Data Displays. Defense Technical Information Center, 1985. http://dx.doi.org/10.21236/ada154105.

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Jacobsen, Alan R. The Effect of Set Size on Time to Recall Color Coded Information. Defense Technical Information Center, 1985. http://dx.doi.org/10.21236/ada155013.

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Torero, Máximo, and Jaime Saavedra-Chanduví. Union Density Changes and Union Effects on Firm Performance in Peru. Inter-American Development Bank, 2002. http://dx.doi.org/10.18235/0011249.

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The paper documents the sharp reduction in union density in Peru between 1986 and 1998, in a context of large macroeconomic fluctuations, structural reforms and changes in the Collective Bargaining Law in 1993. The authors find that a blue-collar job, a permanent contract, higher education and working in a large firm increase the likelihood of unionization, but only before the legislative change. Using a panel of firms for the manufacturing sector for the period 1994-1996, a negative impact of unions on profits for all firm sizes is found. In the econometric analysis, a significant negative effect even after controlling for firm and sector characteristics and firm fixed effects is found. There is some evidence that this effect diminishes over time, consistent with the reduction in union density during that period, but the reduction is not robust to different specifications.
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Poloboc, Alina. Fancy Pink Goat. Intellectual Archive, 2023. http://dx.doi.org/10.32370/iaj.2998.

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"Fancy Pink Goat" is a contemporary art piece from the Fancy Collection, created in Spain in 2022. It is a vividly colorful painting dominated by pink and blue, which are the signature colors of the artist`s style. The painting features a fancy goat walking through the jungle with its elegant collar and abstract, long legs. Surrounding the Fancy Pink Goat are a variety of other unusual creatures inhabiting the jungle and keeping the goat company. The artist`s signature red high-heeled shoes are also present, adding a touch of sophistication and style to the painting. This artwork is an impressive example of the artist`s unique style, which blends elements of surrealism and abstraction to create a sense of fantasy and wonder. The overall effect is an intriguing and vibrant work of art that captures the viewer`s imagination. With its expert technique and distinctive style, "Fancy Pink Goat" is truly a gem in the Fancy Collection.
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