Frost palette
Earthen Archive
From #005259 ink through #007e88, #3399a4, #58a7af to #75c3cc light, Earthen Archive is a tetradic progression that holds together at any size. Use it for hotel key cards and lobby signage in one system. The darkest and lightest stops clear AA for large text.
cyanfrostfive-stop
#005259
#007e88
#3399a4
#58a7af
#75c3cc
The generator opens with #005259 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.