Sumi palette
Prairie Prairie
Dark anchor, working middle, light release: #811e00, #b3462a, #d26245, #d97960, #f8957b form a split-complementary sumi set with somewhere to stand at every lightness. Made for hotel key cards and lobby signage in one system. The darkest and lightest stops clear AA as a text pair.
redsumifive-stophigh-contrast
#811e00
#b3462a
#d26245
#d97960
#f8957b
The generator opens with #811e00 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.