Nebula palette
Butter Oasis
From #00699e ink through #3694d0, #55b0ee, #75c0f5 to #aadbff light, Butter Oasis is a triadic progression that holds together at any size. Use it for book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
skynebulafive-stop
#00699e
#3694d0
#55b0ee
#75c0f5
#aadbff
The generator opens with #00699e as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.