Petrichor palette
Walnut Bookshop
From #007380 ink through #00a1b3, #3cbed0, #68cbdb to #87e9f9 light, Walnut Bookshop is a analogous 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
#007380
#00a1b3
#3cbed0
#68cbdb
#87e9f9
The generator opens with #007380 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.