Abstract
In this study, we clarified the holistic color combination rules of human-preferred Papilionidae butterflies by examining the hue, lightness, and chroma. A set of 118 Papilionidae butterfly images used in our previous study was analyzed. These images were classified via hierarchical density-based spatial clustering based on perceptual similarities of colors that were obtained from a subjective image classification experiment. The color combinations of the clustered images were determined based on representative colors that were analyzed by a Gaussian mixture model with minimum message length and the color combination types defined in our previous study. Consequently, we obtained the following holistic color combination rules for Papilionidae: 1) contrasting lightness, similar chroma, and similar hue, 2) contrasting lightness, contrasting chroma, and similar hue, 3) similar lightness, similar chroma, and complementary hue, and 4) similar lightness, similar chroma, and similar hue. These rules suggest that minority color harmony theories are valid under particular conditions.
Highlights
Color harmony studies contribute to developing color design and to clarifying the mechanisms of human aesthetic responses
Therein, the color combination rules of 118 human-preferred Papilionidae butterfly images were clarified [6], i.e., contrasting lightness, similar chroma, and similar hue, which agreed with a part of the psychological color harmony principles [1,2,3,4]
Similar lightness, contrasting chroma, and complementary hue have been obtained as a minor proportion of results that agree with a part of the conventional color harmony principles [1, 18]
Summary
Color harmony studies contribute to developing color design and to clarifying the mechanisms of human aesthetic responses. Therein, the color combination rules of 118 human-preferred Papilionidae butterfly images were clarified [6], i.e., contrasting lightness, similar chroma, and similar hue, which agreed with a part of the psychological color harmony principles [1,2,3,4]. Similar lightness, contrasting chroma, and complementary hue have been obtained as a minor proportion of results that agree with a part of the conventional color harmony principles [1, 18]. These results suggest that the minority color combinations that do not appear in the psychological
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