Petrichor palette
Morning Harbor
From #00535d ink through #007f8d, #349aa9, #59a8b4 to #75c5d1 light, Morning Harbor 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
#00535d
#007f8d
#349aa9
#59a8b4
#75c5d1
The generator opens with #00535d as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.