Petrichor palette
Stone Dairy
From #004e5c ink through #00798d, #3294a9, #56a2b3 to #73bed0 light, Stone Dairy 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.
cyanpetrichorfive-stop
#004e5c
#00798d
#3294a9
#56a2b3
#73bed0
The generator opens with #004e5c as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.