Petrichor palette
Copper Parlor
From #4f91cd ink through #0e9cb9, #00a198, #3fb9d6 to #3abeb4 light, Copper Parlor is a monochromatic progression that holds together at any size. Use it for hotel key cards and lobby signage in one system.
cyanpetrichorfive-stop
#4f91cd
#0e9cb9
#00a198
#3fb9d6
#3abeb4
The generator opens with #4f91cd as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.