Sumi palette
Peachy Bluff
From #8a1500 ink through #b74935, #d6654f, #dd7c68 to #fc9884 light, Peachy Bluff is a complementary progression that holds together at any size. Use it for event posters that compete with a wall of other posters. The darkest and lightest stops clear AA as a text pair.
redsumifive-stophigh-contrast
#8a1500
#b74935
#d6654f
#dd7c68
#fc9884
The generator opens with #8a1500 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.