Frost palette
Sunset Delta
From #005f6a ink through #008b9b, #37a7b7, #5eb4c2 to #7cd1df light, Sunset Delta is a analogous 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
#005f6a
#008b9b
#37a7b7
#5eb4c2
#7cd1df
The generator opens with #005f6a as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.