Sumi palette
Iris Mesa
Dark anchor, working middle, light release: #6f1f00, #9c482d, #ba6347, #c2775f, #e0927a 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
#6f1f00
#9c482d
#ba6347
#c2775f
#e0927a
The generator opens with #6f1f00 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.