Nebula palette
Starlit Prairie
Dark anchor, working middle, light release: #005174, #007bad, #3397ca, #58a5d1, #75c2ef form a split-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 for large text.
skynebulafive-stop
#005174
#007bad
#3397ca
#58a5d1
#75c2ef
The generator opens with #005174 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.