Sumi palette
Oyster Boulevard
Five sumi stops with room to breathe — #d26d39 grounds, #877edf and #00a67a do the talking, #f18956 softens, #29c493 lifts. The monochromatic bones keep it coherent across event posters that compete with a wall of other posters.
bluesumifive-stop
#d26d39
#877edf
#00a67a
#f18956
#29c493
The generator opens with #d26d39 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.