Nebula palette
Cozy Lagoon
Dark anchor, working middle, light release: #0053b4, #2b7ded, #569bff, #74adff, #a6caff form a analogous 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 for large text.
skynebulafive-stop
#0053b4
#2b7ded
#569bff
#74adff
#a6caff
The generator opens with #0053b4 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.