Sumi palette
Emerald Moor
Dark anchor, working middle, light release: #973e4f, #ae5362, #008682, #cc6e7c, #00a49f form a tetradic sumi set with somewhere to stand at every lightness. Made for book covers that read at thumbnail size.
redsumifive-stop
#973e4f
#ae5362
#008682
#cc6e7c
#00a49f
The generator opens with #973e4f as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.