Sumi palette
Leaden Shrine
Dark anchor, working middle, light release: #7d001c, #b72739, #d74852, #dd6468, #fd8083 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
#7d001c
#b72739
#d74852
#dd6468
#fd8083
The generator opens with #7d001c as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.