Sumi palette
Oyster Depot
From #930059 ink through #c33f81, #e25c9c, #ea77aa to #ff9cc6 light, Oyster 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
#930059
#c33f81
#e25c9c
#ea77aa
#ff9cc6
The generator opens with #930059 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.