Sumi palette
Plum Beacon
From #8e3f46 ink through #b9696e, #d78489, #e0989b to #ffb4b7 light, Plum Beacon is a tetradic progression that holds together at any size. Use it for event posters that compete with a wall of other posters. The darkest and lightest stops clear AA for large text.
redsumifive-stop
#8e3f46
#b9696e
#d78489
#e0989b
#ffb4b7
The generator opens with #8e3f46 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.