Sumi palette
Dusky Harbor
Five sumi stops with room to breathe — #782d43 grounds, #a3576a and #c17184 do the talking, #ca8595 softens, #e8a1b0 lifts. The triadic bones keep it coherent across book covers that read at thumbnail size. The darkest and lightest stops clear AA as a text pair.
pinksumifive-stophigh-contrast
#782d43
#a3576a
#c17184
#ca8595
#e8a1b0
The generator opens with #782d43 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.