Sumi palette
Copper Saloon
Dark anchor, working middle, light release: #840d3a, #b04361, #cf5f7b, #d7768c, #f692a7 form a tetradic 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
#840d3a
#b04361
#cf5f7b
#d7768c
#f692a7
The generator opens with #840d3a as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.