Frost palette
Yuzu Atelier
From #005566 ink through #008099, #349cb5, #59a9bf to #76c6dd light, Yuzu Atelier 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
#005566
#008099
#349cb5
#59a9bf
#76c6dd
The generator opens with #005566 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.