Michel Eugène Chevreul's color sphere
Michel Eugène Chevreul's color sphere

Michel Eugène Chevreul attempted to fix this problem in his hemispherical color system from 1839. Rather than mixing colors by focusing on the amount of paint used, he based his selections solely on what perceptually appeared to be the correct mixture. Inspired by the work of Goethe, Chevreul used after-images to test the validity of his mixtures. When a person stares at a green square for a long time and then looks at a white wall, a magenta square will appear. This happens because of fatigue in the green photoreceptors in the eye, and Chevreul used this to establish the complementary colors in his model.
https://programmingdesignsystems.com/color/a-short-history-of-color-theory/index.html

Shelby Wilson

Source: chevreul-color-sphere.jpg
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