Frost palette
Ember Estuary
From #006679 ink through #0093ad, #39afca, #62bdd4 to #80daf1 light, Ember Estuary 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
#006679
#0093ad
#39afca
#62bdd4
#80daf1
The generator opens with #006679 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.