Sumi palette
Russet Alley
From #75003a ink through #a13a60, #bf557a, #c86c89 to #e688a5 light, Russet Alley is a split-complementary 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
#75003a
#a13a60
#bf557a
#c86c89
#e688a5
The generator opens with #75003a as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.