Abstract

A sheet of tissue paper can change color appearance. Various colors were observed through tissues, and the appearance was quantitatively measured by the elementary color naming method. The saturation decreased with tissues, but the color appearance was fairly vivid in spite of a marked decrease of excitation purity, suggesting that visual mechanisms neglect the white color appearance to judge the color behind the tissue. A tissue was applied to the simultaneous color contrast stimulus, and a vivid color appeared on the central gray patch, which otherwise appeared just gray. The analysis of the color appearance of both the surround and the test patch suggested that the simultaneous color contrast phenomenon is a result of chromatic adaptation to the color of the surround.

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