Sumi palette
Porcelain Chapel
Five sumi stops with room to breathe — #9c1b0d grounds, #c9503f and #e86c5a do the talking, #ef8473 softens, #ffaa9b lifts. The tetradic bones keep it coherent across national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA for large text.
redsumifive-stop
#9c1b0d
#c9503f
#e86c5a
#ef8473
#ffaa9b
The generator opens with #9c1b0d as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.