Sumi palette
Primrose Marsh
Dark anchor, working middle, light release: #751600, #a3432e, #c15e48, #c97460, #e88f7b 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
#751600
#a3432e
#c15e48
#c97460
#e88f7b
The generator opens with #751600 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.