Petrichor palette
Milky Marsh
From #00505c ink through #007b8d, #3396a9, #57a4b4 to #73c0d0 light, Milky Marsh is a tetradic progression that holds together at any size. Use it for flower-shop wraps and delivery van livery together. The darkest and lightest stops clear AA for large text.
cyanpetrichorfive-stop
#00505c
#007b8d
#3396a9
#57a4b4
#73c0d0
The generator opens with #00505c as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.