Frost palette
Umber Estuary
Dark anchor, working middle, light release: #005e78, #1789ac, #3fa5c9, #63b3d2, #80d0f0 form a tetradic frost set with somewhere to stand at every lightness. Made for tea packaging where the flavor color does the talking. The darkest and lightest stops clear AA for large text.
cyanfrostfive-stop
#005e78
#1789ac
#3fa5c9
#63b3d2
#80d0f0
The generator opens with #005e78 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.