Frost palette
Rustic Fen
From #004e54 ink through #007982, #32949d, #56a2a9 to #72bec6 light, Rustic Fen 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.
cyanfrostfive-stop
#004e54
#007982
#32949d
#56a2a9
#72bec6
The generator opens with #004e54 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.