Sumi palette
Nightfall Square
Five sumi stops with room to breathe — #873400 grounds, #c55002 and #e46c30 do the talking, #eb8455 softens, #ffa780 lifts. The monochromatic bones keep it coherent across bike-shop liveries that survive mud and sun. The darkest and lightest stops clear AA for large text.
orangesumifive-stop
#873400
#c55002
#e46c30
#eb8455
#ffa780
The generator opens with #873400 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.