Petrichor palette
Calico Lighthouse
From #00606d ink through #008c9f, #37a8bb, #5fb6c6 to #7cd3e3 light, Calico Lighthouse is a tetradic progression that holds together at any size. Use it for national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA for large text.
cyanpetrichorfive-stop
#00606d
#008c9f
#37a8bb
#5fb6c6
#7cd3e3
The generator opens with #00606d as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.