Sumi palette
Brisk Heath
From #9c2b00 ink through #da4818, #fa663b, #ff825f to #ffb29c light, Brisk Heath is a split-complementary progression that holds together at any size. Use it for craft brewery cans lined up in a cooler door. The darkest and lightest stops clear AA for large text.
redsumifive-stop
#9c2b00
#da4818
#fa663b
#ff825f
#ffb29c
The generator opens with #9c2b00 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.