Petrichor palette
Copper Crater
Dark anchor, working middle, light release: #006a78, #0097aa, #3ab3c7, #64c1d1, #82deef form a monochromatic petrichor set with somewhere to stand at every lightness. Made for book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
cyanpetrichorfive-stop
#006a78
#0097aa
#3ab3c7
#64c1d1
#82deef
The generator opens with #006a78 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.