Nebula palette
Coral Marsh
Dark anchor, working middle, light release: #00598b, #0083c9, #359fe7, #5cafec, #88cbff form a tetradic 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
#00598b
#0083c9
#359fe7
#5cafec
#88cbff
The generator opens with #00598b as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.