Petrichor palette
Late Square
From #006b76 ink through #0098a8, #3ab4c5, #64c2d0 to #82dfed light, Late Square is a complementary 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
#006b76
#0098a8
#3ab4c5
#64c2d0
#82dfed
The generator opens with #006b76 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.