Ocean palette
Lotus Brook
From #007570 ink through #00a49d, #3dc1b9, #69cec7 to #87ebe4 light, Lotus Brook is a analogous 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.
cyanoceanfive-stop
#007570
#00a49d
#3dc1b9
#69cec7
#87ebe4
The generator opens with #007570 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.