Sumi palette
Opal Depot
From #7f004a ink through #b23372, #d1518d, #d96b9b to #f887b7 light, Opal Depot is a monochromatic 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
#7f004a
#b23372
#d1518d
#d96b9b
#f887b7
The generator opens with #7f004a as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.