![]() ![]() ![]() This produces an afterimage perceived by the brain, not the eyes. A chimerical color is seen by looking at a color until the cone cells are fatigued and then looking at a different color. ![]() Another type of imaginary color is a chimerical color. The impossible colors reddish green and yellowish blue are imaginary colors that do not occur in the light spectrum. A red "o" and green "f" of the word "of" may produce reddish green at the edges of the letters. In color synesthesia, a viewer may see different letters of words as having opposing colors. The volunteers reported the borders between the stripes faded into each other and that the color of the interface was a color they had never seen before - simultaneous red and green or both blue and yellow.Ī similar phenomenon has been reported in which persons with grapheme color synesthesia. For example, one cone might always see either a yellow stripe, while another cone would always see a blue stripe. The researchers used an eye tracker to hold the images in a fixed position relative to the volunteer's eyes so retinal cells were constantly stimulated by the same stripe. In their 1983 paper "On Seeing Reddish Green and Yellowish Blue" they claimed volunteers viewing adjacent red and green stripes could see reddish green, while viewers of adjacent yellow and blue stripes could see yellowish blue. While you can't ordinarily see both red and green or both blue and yellow, visual scientist Hewitt Crane and his colleague Thomas Piantanida published a paper in Science claiming such perception was possible. ![]()
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