Sumi palette
Grassy Crater
Dark anchor, working middle, light release: #912f0d, #bd5c3f, #dc775a, #e38d73, #ffab92 form a split-complementary sumi set with somewhere to stand at every lightness. Made for national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA for large text.
redsumifive-stop
#912f0d
#bd5c3f
#dc775a
#e38d73
#ffab92
The generator opens with #912f0d as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.