Frost palette
Sage Foundry
Dark anchor, working middle, light release: #004750, #00727f, #308d9a, #529aa6, #6fb7c2 form a tetradic frost set with somewhere to stand at every lightness. Made for music artwork with loud darks and a glowing accent. The darkest and lightest stops clear AA as a text pair.
cyanfrostfive-stophigh-contrast
#004750
#00727f
#308d9a
#529aa6
#6fb7c2
The generator opens with #004750 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.