Frost palette
Cordovan Lagoon
Dark anchor, working middle, light release: #004755, #007186, #308ca2, #529aac, #6eb6c9 form a tetradic frost set with somewhere to stand at every lightness. Made for national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA as a text pair.
cyanfrostfive-stophigh-contrast
#004755
#007186
#308ca2
#529aac
#6eb6c9
The generator opens with #004755 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.