Sumi palette
Amber Library
Dark anchor, working middle, light release: #82303e, #994451, #007271, #b75e6a, #00908e form a split-complementary sumi set with somewhere to stand at every lightness. Made for bike-shop liveries that survive mud and sun.
redsumifive-stop
#82303e
#994451
#007271
#b75e6a
#00908e
The generator opens with #82303e as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.