Sumi palette
Vintage Patio
Five sumi stops with room to breathe — #8f001c grounds, #c7313c and #e75156 do the talking, #ed6e6e softens, #ff9592 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
#8f001c
#c7313c
#e75156
#ed6e6e
#ff9592
The generator opens with #8f001c as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.