Frost palette
Hyacinth Depot
Dark anchor, working middle, light release: #00596a, #00859d, #35a1b9, #5cafc3, #79cbe1 form a tetradic frost set with somewhere to stand at every lightness. Made for book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
cyanfrostfive-stop
#00596a
#00859d
#35a1b9
#5cafc3
#79cbe1
The generator opens with #00596a as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.