Sumi palette
Crisp Boulevard
From #8c3e17 ink through #b76946, #d58461, #de9879 to #fcb495 light, Crisp Boulevard is a triadic progression that holds together at any size. Use it for hotel key cards and lobby signage in one system. The darkest and lightest stops clear AA for large text.
orangesumifive-stop
#8c3e17
#b76946
#d58461
#de9879
#fcb495
The generator opens with #8c3e17 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.