Sumi palette
Cobalt Alley
Dark anchor, working middle, light release: #872a00, #c74200, #e7602e, #ed7a52, #ff9f7f form a triadic sumi set with somewhere to stand at every lightness. Made for hotel key cards and lobby signage in one system. The darkest and lightest stops clear AA for large text.
orangesumifive-stop
#872a00
#c74200
#e7602e
#ed7a52
#ff9f7f
The generator opens with #872a00 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.