Petrichor palette
Birch Fjord
Birch Fjord runs #864f9a through #a34d1d, #007495, #447926 to #c1683b in five measured steps, the monochromatic structure keeping every neighbor honest. Reach for it for book covers that read at thumbnail size.
chartreusepetrichorfive-stop
#864f9a
#a34d1d
#007495
#447926
#c1683b
The generator opens with #864f9a as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.