Ocean palette
Pewter Lagoon
Five ocean stops with room to breathe — #2095b5 grounds, #009b97 and #409b72 do the talking, #3bb7b3 softens, #5eb78d lifts. The triadic bones keep it coherent across book covers that read at thumbnail size.
cyanoceanfive-stop
#2095b5
#009b97
#409b72
#3bb7b3
#5eb78d
The generator opens with #2095b5 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.