Sumi palette
Grape Abbey
Five sumi stops with room to breathe — #a73720 grounds, #d4664e and #f38269 do the talking, #fb9982 softens, #ffc3b5 lifts. The tetradic 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.
redsumifive-stop
#a73720
#d4664e
#f38269
#fb9982
#ffc3b5
The generator opens with #a73720 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.