Color association research on red‐green dichromats in the color ergonomics of user interface interaction

With the development of our modern information society, digital products have become integrated into daily life. Research on the color ergonomics of user interfaces is a pressing issue. However, color-vision-deficient individuals (CVDIs), who account for 4.25% of the population, must use interfaces designed for individuals with normal color vision; the demands of CVDIs have not been sufficiently addressed. In this article, we investigate color associations in the color ergonomics of user interface interaction in a manner that aims both to improve interaction efficiency and to meet the psychological needs of CVDIs. First, we study color physiological cognitions in the color interactions of user interfaces for red-green dichromats (RGDs) to determine the single-color, two-color, and three-color combinations with high discrimination for a later experiment. Second, we explore the psychological–cognition relationships of colors in user-interface interactions for RGDs. In an experiment involving 10 pairs of association semantemes and corresponding colors, the experimental results show that RGDs have different color cognitions caused by specific visual color expressions and unconscious environmental influences. Therefore, this article argues that RGD design should consider not only the habitual colors of solidified cognitions but also instinctive color associations. Finally, based on the results of previous experiments, we apply association color to the new interface design of computer security software (360 Total Security) for RGDs. Experimental results indicate that the application of color association in our new design can improve both interaction efficiency and CVDI user experience. © 2015 Wiley Periodicals, Inc. Col Res Appl, 41, 547–563, 2016

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