Sumi palette
Sage Library
Five sumi stops with room to breathe — #dc5463 grounds, #8474e9 and #938d00 do the talking, #009c9f softens, #fc717d lifts. The monochromatic bones keep it coherent across event posters that compete with a wall of other posters.
redsumifive-stop
#dc5463
#8474e9
#938d00
#009c9f
#fc717d
The generator opens with #dc5463 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.