Sumi palette
Jadite Bluff
Five sumi stops with room to breathe — #c75100 grounds, #257ada and #008d8d do the talking, #e66e30 softens, #00abab lifts. The monochromatic bones keep it coherent across event posters that compete with a wall of other posters.
skysumifive-stop
#c75100
#257ada
#008d8d
#e66e30
#00abab
The generator opens with #c75100 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.