Frost palette
Yonder Depot
Five frost stops with room to breathe — #004748 grounds, #007273 and #308d8e do the talking, #529a9a softens, #6eb6b6 lifts. The split-complementary bones keep it coherent across book covers that read at thumbnail size. The darkest and lightest stops clear AA as a text pair.
cyanfrostfive-stophigh-contrast
#004748
#007273
#308d8e
#529a9a
#6eb6b6
The generator opens with #004748 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.