Sumi palette
Russet Square
Dark anchor, working middle, light release: #a22d00, #d9532b, #f97049, #ff8a68, #ffb8a4 form a split-complementary sumi set with somewhere to stand at every lightness. Made for fintech onboarding that must feel both safe and modern. The darkest and lightest stops clear AA for large text.
redsumifive-stop
#a22d00
#d9532b
#f97049
#ff8a68
#ffb8a4
The generator opens with #a22d00 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.