Petrichor palette
Oyster Brook
From #006165 ink through #008e93, #37aaaf, #5fb7bb to #7dd4d8 light, Oyster Brook is a split-complementary progression that holds together at any size. Use it for bike-shop liveries that survive mud and sun. The darkest and lightest stops clear AA for large text.
cyanpetrichorfive-stop
#006165
#008e93
#37aaaf
#5fb7bb
#7dd4d8
The generator opens with #006165 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.