Frost palette
Sooty Delta
From #007273 ink through #00a0a2, #3cbdbe, #67cacb to #85e7e8 light, Sooty Delta 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
#007273
#00a0a2
#3cbdbe
#67cacb
#85e7e8
The generator opens with #007273 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.