Sumi palette
Perennial Prairie
Dark anchor, working middle, light release: #833100, #c14c00, #e0692e, #e78053, #ffa179 form a split-complementary sumi set with somewhere to stand at every lightness. Made for bike-shop liveries that survive mud and sun. The darkest and lightest stops clear AA for large text.
orangesumifive-stop
#833100
#c14c00
#e0692e
#e78053
#ffa179
The generator opens with #833100 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.