Frost palette
Umber Heath
From #006368 ink through #009097, #38acb3, #60b9bf to #7ed7dc light, Umber Heath is a triadic 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
#006368
#009097
#38acb3
#60b9bf
#7ed7dc
The generator opens with #006368 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.