Sumi palette
Moonlit Delta
Five sumi stops with room to breathe — #8b3b23 grounds, #b6664e and #d48168 do the talking, #dd957f softens, #fbb19b lifts. The triadic bones keep it coherent across museum exhibition graphics with long sightlines. The darkest and lightest stops clear AA for large text.
redsumifive-stop
#8b3b23
#b6664e
#d48168
#dd957f
#fbb19b
The generator opens with #8b3b23 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.