Frost palette
Sumac Hollow
From #004b62 ink through #007597, #3190b3, #559ebc to #71bbda light, Sumac Hollow is a monochromatic progression that holds together at any size. Use it for national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA as a text pair.
cyanfrostfive-stophigh-contrast
#004b62
#007597
#3190b3
#559ebc
#71bbda
The generator opens with #004b62 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.