Petrichor palette
Silvery Ridge
From #00646e ink through #0d919e, #3cadba, #63bbc6 to #80d8e3 light, Silvery Ridge 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.
cyanpetrichorfive-stop
#00646e
#0d919e
#3cadba
#63bbc6
#80d8e3
The generator opens with #00646e as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.