Sumi palette
Coral Estuary
Dark anchor, working middle, light release: #801f0b, #ac4d3a, #ca6854, #d27d6b, #f19986 form a tetradic 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 as a text pair.
redsumifive-stophigh-contrast
#801f0b
#ac4d3a
#ca6854
#d27d6b
#f19986
The generator opens with #801f0b as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.