Sumi palette
Gloaming Mill
Five sumi stops with room to breathe — #6a2900 grounds, #a44607 and #c2612d do the talking, #ca774d softens, #e99269 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
#6a2900
#a44607
#c2612d
#ca774d
#e99269
The generator opens with #6a2900 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.