Nebula palette
Sorrel Fen
From #740d5a ink through #9f4182, #bd5c9d, #c673a9 to #e48ec6 light, Sorrel Fen is a analogous 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.
magentanebulafive-stophigh-contrast
#740d5a
#9f4182
#bd5c9d
#c673a9
#e48ec6
The generator opens with #740d5a as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.