Nebula palette
Denim Deck
From #00689f ink through #0093de, #39b0fd, #67bfff to #aad9ff light, Denim Deck 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 for large text.
skynebulafive-stop
#00689f
#0093de
#39b0fd
#67bfff
#aad9ff
The generator opens with #00689f as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.