Sumi palette
Umber Plaza
Dark anchor, working middle, light release: #85350a, #b0603d, #ce7b58, #d78f71, #f5ab8c 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 for large text.
orangesumifive-stop
#85350a
#b0603d
#ce7b58
#d78f71
#f5ab8c
The generator opens with #85350a as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.