Sumi palette
Autumn Manor
Five sumi stops with room to breathe — #90002b grounds, #c5364e and #e55568 do the talking, #eb707c softens, #ff969d 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 as a text pair.
redsumifive-stophigh-contrast
#90002b
#c5364e
#e55568
#eb707c
#ff969d
The generator opens with #90002b as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.