Petrichor palette
Rustic Pier
Five petrichor stops with room to breathe — #005c63 grounds, #008893 and #36a4af do the talking, #5db1bb softens, #7aced8 lifts. The tetradic bones keep it coherent across book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
cyanpetrichorfive-stop
#005c63
#008893
#36a4af
#5db1bb
#7aced8
The generator opens with #005c63 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.