Sumi palette
Peachy Ridge
From #840b01 ink through #b04334, #cf5f4e, #d67666 to #f59281 light, Peachy Ridge is a split-complementary progression that holds together at any size. Use it for dashboards where status colors must survive color-vision differences. The darkest and lightest stops clear AA as a text pair.
redsumifive-stophigh-contrast
#840b01
#b04334
#cf5f4e
#d67666
#f59281
The generator opens with #840b01 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.