Sumi palette
Dappled Beacon
From #a33000 ink through #d55b35, #f57851, #fb906f to #ffbba7 light, Dappled Beacon is a split-complementary progression that holds together at any size. Use it for bike-shop liveries that survive mud and sun. The darkest and lightest stops clear AA for large text.
redsumifive-stop
#a33000
#d55b35
#f57851
#fb906f
#ffbba7
The generator opens with #a33000 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.