Nebula palette
Denim Cellar
Denim Cellar runs #00537b through #297cad, #4898ca, #66a6d2 to #82c3f0 in five measured steps, the analogous 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
#00537b
#297cad
#4898ca
#66a6d2
#82c3f0
The generator opens with #00537b as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.