Nebula palette
Leafy Bookshop
From #00445f ink through #006d96, #2f88b2, #5196bb to #6db2d8 light, Leafy Bookshop is a analogous progression that holds together at any size. Use it for newsletters where the header, links, and footers share one voice. The darkest and lightest stops clear AA as a text pair.
skynebulafive-stophigh-contrast
#00445f
#006d96
#2f88b2
#5196bb
#6db2d8
The generator opens with #00445f as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.