“Moses Harris’s color wheels show a “prismatic” range (left) of eighteen hues, based on the primaries red, blue, and yellow, and their immediate combinations, and “compound” colors (overleaf), based on orange, green, and purple, and their combinations.”
-Excerpt from: https://www.fastcompany.com/903…/the-secret-history-of-color
[Photo: Clive Boursnell]