Sumi palette
Muslin Hollow
Five sumi stops with room to breathe — #9a2e00 grounds, #ca5a36 and #e97652 do the talking, #f08d6e softens, #ffb39b 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
#9a2e00
#ca5a36
#e97652
#f08d6e
#ffb39b
The generator opens with #9a2e00 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.