Color Systems
Historic color dictionaries, each translated into hex, RGB, Tailwind and CSS values, with a free JSON API and MCP tools.
Sanzo Wada
A Dictionary of Color Combinations, 1933–1934
348 color combinations built from 159 named colors, selected from the color dictionary the Japanese artist and color researcher Sanzo Wada began publishing in 1933.
348 combinations 159 colors Japan Explore
Werner
Werner's Nomenclature of Colours, 1814
110 named colors from the 1814 Edinburgh edition by the flower painter Patrick Syme, built on the mineralogist Abraham Gottlob Werner's scheme. Each color is identified by examples from the animal, vegetable and mineral kingdoms.
110 colors Scotland Explore
Ridgway
Color Standards and Color Nomenclature, 1912
1,115 named colors on 53 plates, published in Washington by the ornithologist Robert Ridgway so that naturalists could describe birds, plants and minerals in exactly the same terms. Each color is placed by hue, tone and degree of greyness.
1,117 colors United States Explore