Opera palette
Moonlit Library
From #78003c ink through #b41d61, #d4407b, #db5f8b to #fa7ba6 light, Moonlit Library is a 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.
pinkoperafive-stophigh-contrast
#78003c
#b41d61
#d4407b
#db5f8b
#fa7ba6
The generator opens with #78003c as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.