Sumi palette
Chiffon Plaza
Five sumi stops with room to breathe — #990e3c grounds, #b12d4f and #007672 do the talking, #d04b68 softens, #00948f lifts. The split-complementary bones keep it coherent across national-park posters with layered mountain silhouettes.
redsumifive-stop
#990e3c
#b12d4f
#007672
#d04b68
#00948f
The generator opens with #990e3c as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.