Nebula palette
Lullaby Crater
Lullaby Crater runs #005371 through #007da9, #3399c6, #59a7ce to #75c4ec in five measured steps, the complementary structure keeping every neighbor honest. Reach for it for book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
skynebulafive-stop
#005371
#007da9
#3399c6
#59a7ce
#75c4ec
The generator opens with #005371 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.