Petrichor palette
Dewey Bluff
From #007578 ink through #00a3a8, #3dc0c4, #69cdd1 to #87ebee light, Dewey Bluff is a monochromatic progression that holds together at any size. Use it for book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
cyanpetrichorfive-stop
#007578
#00a3a8
#3dc0c4
#69cdd1
#87ebee
The generator opens with #007578 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.