Sumi palette
Coral Granary
Five sumi stops with room to breathe — #850b03 grounds, #b14335 and #d05f4f do the talking, #d77667 softens, #f69282 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.
redsumifive-stophigh-contrast
#850b03
#b14335
#d05f4f
#d77667
#f69282
The generator opens with #850b03 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.