Nebula palette
Mustard Bookshop
From #305ec4 ink through #5a8aef, #7da8ff, #96b9ff to #c3d7ff light, Mustard Bookshop is a analogous progression that holds together at any size. Use it for packaging that photographs well under harsh retail light. The darkest and lightest stops clear AA for large text.
skynebulafive-stop
#305ec4
#5a8aef
#7da8ff
#96b9ff
#c3d7ff
The generator opens with #305ec4 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.