Sumi palette
Leaden Kiosk
Five sumi stops with room to breathe — #921c00 grounds, #cb4124 and #eb5f42 do the talking, #f17a60 softens, #ffa28c lifts. The monochromatic 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
#921c00
#cb4124
#eb5f42
#f17a60
#ffa28c
The generator opens with #921c00 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.