Frost palette
Marble Gallery
Dark anchor, working middle, light release: #004c52, #007780, #32929b, #55a0a7, #71bcc4 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
#004c52
#007780
#32929b
#55a0a7
#71bcc4
The generator opens with #004c52 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.