Frost palette
Obsidian Shrine
From #00677b ink through #a05a45, #007d95, #bd755f to #3398b1 light, Obsidian Shrine is a analogous progression that holds together at any size. Use it for book covers that read at thumbnail size.
cyanfrostfive-stop
#00677b
#a05a45
#007d95
#bd755f
#3398b1
The generator opens with #00677b as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.