Sumi palette
Ebony Abbey
Dark anchor, working middle, light release: #970200, #c84032, #e85e4d, #ee7868, #ff9e8f 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
#970200
#c84032
#e85e4d
#ee7868
#ff9e8f
The generator opens with #970200 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.