Frost palette
Hyacinth Fen
Dark anchor, working middle, light release: #004458, #006e8b, #2f89a7, #5197b0, #6db3cd form a tetradic frost set with somewhere to stand at every lightness. Made for museum exhibition graphics with long sightlines. The darkest and lightest stops clear AA as a text pair.
cyanfrostfive-stophigh-contrast
#004458
#006e8b
#2f89a7
#5197b0
#6db3cd
The generator opens with #004458 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.