Frost palette
Dewey Caravan
From #004f30 ink through #007c4e, #329768, #55a47a to #71c196 light, Dewey Caravan is a analogous progression that holds together at any size. Use it for book covers that read at thumbnail size. The darkest and lightest stops clear AA as a text pair.
tealfrostfive-stophigh-contrast
#004f30
#007c4e
#329768
#55a47a
#71c196
The generator opens with #004f30 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.