Abstract
Texture is an important synesthetic design element used in textile products. The three-dimensional surface of texture changes the amount and angle of reflected light causing a color appearance change from its original color. In this work, for a wide range of colors, it was quantitatively analyzed how the color appearances change depending on different textures and illumination, such as CIE standard illuminants A, F11, F2, and D65. It was found that strong-textured fabrics (with a surface roughness Ra of 0.46 mm) had larger hue appearance changes and consequent overall color appearance changes from their true colors due to illuminants than non-textured papers (with a surface roughness Ra of 0.03 mm). Between two types of fabrics with different textures of 0.21 and 0.46 mm, however, there was no significant difference in the magnitude of color appearance changes, indicating that the difference in surface roughness greater than 0.43 mm can produce significant differences in color appearance changes induced by illumination. It was also found that the magnitude and direction of color appearance changes under different CIE illuminants differed significantly according to the physical chroma and hue of the surface.
Highlights
Texture is an important synesthetic design element used in textile products
Between the two types of textured fabric samples, namely weak-textured and strong-textured samples, there was no significant difference in the magnitude of color appearance changes
CIE illuminants A, F11, F2, and D65 with correlated color temperatures of 2856 K, 4000 K, 4230 K, and 6504 K, respectively, which cover from a reddish light to a bluish light, were employed
Summary
Texture is an important synesthetic design element used in textile products. The three-dimensional surface of texture changes the amount and angle of reflected light causing a color appearance change from its original color. The three-dimensional surface created by texture changes the amount and angle of reflected light when it meets illumination in the product sales environment, creating a color appearance different from a smooth surface without texture. Yarn diameter – 0.19 mm 0.46 mm Fabric density – 72 × 72 /inch 16 × 13/inch in the fashion industry, research is needed on the effect of illumination on color appearance changes considering the surface texture that determines tactile and aural qualities beyond the visual appearance of textile products. The results found that, aside from red fabric, the fabrics were recognized to be more similar to the color observed in natural light under illuminants of higher CCT (where the color is bluer with higher CCT and more reddish with lower CCT) These two studies used fabrics of various colors to systematically analyze color inconstancy according to illumination by different methods. Texture is an important synesthetic design element used in textile products, and the interaction of texture and illumination must be considered
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