Nautical palette
Pewter Dune
Five nautical stops with room to breathe — #006e7c grounds, #009caf and #3bb8cc do the talking, #66c6d6 softens, #84e4f4 lifts. The complementary bones keep it coherent across book covers that read at thumbnail size. The darkest and lightest stops clear AA for large text.
cyannauticalfive-stop
#006e7c
#009caf
#3bb8cc
#66c6d6
#84e4f4
The generator opens with #006e7c as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.