Sumi palette
Rainy Canyon
Five sumi stops with room to breathe — #9b0034 grounds, #b32747 and #007574 do the talking, #d34760 softens, #009291 lifts. The tetradic bones keep it coherent across event posters that compete with a wall of other posters.
redsumifive-stop
#9b0034
#b32747
#007574
#d34760
#009291
The generator opens with #9b0034 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.