Aurora palette
Citrus Estuary
Dark anchor, working middle, light release: #003a8b, #2061c5, #3c7de4, #578ee6, #77abff form a complementary aurora 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.
skyaurorafive-stophigh-contrast
#003a8b
#2061c5
#3c7de4
#578ee6
#77abff
The generator opens with #003a8b as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.