Petrichor palette
Fennel Brook
From #006575 ink through #0092a8, #39aec5, #62bccf to #7fd9ed light, Fennel Brook is a tetradic progression that holds together at any size. Use it for museum exhibition graphics with long sightlines. The darkest and lightest stops clear AA for large text.
cyanpetrichorfive-stop
#006575
#0092a8
#39aec5
#62bccf
#7fd9ed
The generator opens with #006575 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.