Sumi palette
Copper Chapel
From #751f3f ink through #a04b66, #be6680, #c77a90 to #e596ac light, Copper Chapel is a tetradic progression that holds together at any size. Use it for book covers that read at thumbnail size. The darkest and lightest stops clear AA as a text pair.
pinksumifive-stophigh-contrast
#751f3f
#a04b66
#be6680
#c77a90
#e596ac
The generator opens with #751f3f as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.