Sumi palette
Midnight Mill
Dark anchor, working middle, light release: #97002e, #ca3b52, #ea596c, #f07581, #ff9ea4 form a triadic 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 as a text pair.
redsumifive-stophigh-contrast
#97002e
#ca3b52
#ea596c
#f07581
#ff9ea4
The generator opens with #97002e as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.