Petrichor palette
Hickory Brook
From #3978a5 ink through #008093, #0a8477, #349caf to #389f92 light, Hickory Brook is a monochromatic progression that holds together at any size. Use it for event posters that compete with a wall of other posters.
skypetrichorfive-stop
#3978a5
#008093
#0a8477
#349caf
#389f92
The generator opens with #3978a5 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.