Ocean palette
Overcast Marsh
Five ocean stops with room to breathe — #006484 grounds, #0090bc and #38acd9 do the talking, #62bbe1 softens, #80d8ff lifts. The monochromatic bones keep it coherent across book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
cyanoceanfive-stop
#006484
#0090bc
#38acd9
#62bbe1
#80d8ff
The generator opens with #006484 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.