Petrichor palette
Ashen Station
From #007178 ink through #009fa8, #3cbcc5, #67c9d0 to #85e7ee light, Ashen Station is a split-complementary 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
#007178
#009fa8
#3cbcc5
#67c9d0
#85e7ee
The generator opens with #007178 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.