Petrichor palette
Tranquil Patio
From #00626f ink through #008fa1, #38abbd, #60b9c8 to #7ed6e6 light, Tranquil Patio 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.
cyanpetrichorfive-stop
#00626f
#008fa1
#38abbd
#60b9c8
#7ed6e6
The generator opens with #00626f as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.