Sumi palette
Punchy Square
From #8e3800 ink through #c45c25, #e37844, #ea8e63 to #ffb08c light, Punchy Square is a split-complementary progression that holds together at any size. Use it for national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA for large text.
orangesumifive-stop
#8e3800
#c45c25
#e37844
#ea8e63
#ffb08c
The generator opens with #8e3800 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.