Sumi palette
Prairie Alley
Five sumi stops with room to breathe — #742705 grounds, #9f5236 and #bd6d50 do the talking, #c58067 softens, #e49c82 lifts. The complementary bones keep it coherent across national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA as a text pair.
orangesumifive-stophigh-contrast
#742705
#9f5236
#bd6d50
#c58067
#e49c82
The generator opens with #742705 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.