Frost palette
Grape Chapel
Dark anchor, working middle, light release: #004657, #007089, #308ba5, #5299af, #6eb5cc form a analogous 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
#004657
#007089
#308ba5
#5299af
#6eb5cc
The generator opens with #004657 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.