Nebula palette
Rosy Bookshop
Dark anchor, working middle, light release: #5f35a4, #8662ce, #a17eec, #ae92f1, #c8b4ff form a complementary nebula set with somewhere to stand at every lightness. Made for book covers that read at thumbnail size. The darkest and lightest stops clear AA as a text pair.
bluenebulafive-stophigh-contrast
#5f35a4
#8662ce
#a17eec
#ae92f1
#c8b4ff
The generator opens with #5f35a4 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.