Sumi palette
Stone Mill
Five sumi stops with room to breathe — #791038 grounds, #a5425e and #c35d78 do the talking, #cc7388 softens, #ea8fa4 lifts. The tetradic bones keep it coherent across bike-shop liveries that survive mud and sun. The darkest and lightest stops clear AA as a text pair.
redsumifive-stophigh-contrast
#791038
#a5425e
#c35d78
#cc7388
#ea8fa4
The generator opens with #791038 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.