Petrichor palette
Harvest Lagoon
Five petrichor stops with room to breathe — #00636c grounds, #00909c and #38acb8 do the talking, #60bac4 softens, #7ed7e1 lifts. The complementary bones keep it coherent across book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
cyanpetrichorfive-stop
#00636c
#00909c
#38acb8
#60bac4
#7ed7e1
The generator opens with #00636c as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.