Sumi palette
Lavender Depot
Five sumi stops with room to breathe — #9f3e00 grounds, #df5a00 and #ff7733 do the talking, #ff9465 softens, #ffc1a7 lifts. The split-complementary bones keep it coherent across event posters that compete with a wall of other posters. The darkest and lightest stops clear AA for large text.
orangesumifive-stop
#9f3e00
#df5a00
#ff7733
#ff9465
#ffc1a7
The generator opens with #9f3e00 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.