Sumi palette
Pewter Library
Five sumi stops with room to breathe — #821600 grounds, #b3432d and #d25f48 do the talking, #d97662 softens, #f8927c lifts. The split-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
#821600
#b3432d
#d25f48
#d97662
#f8927c
The generator opens with #821600 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.