Ocean palette
Crocus Lagoon
Five ocean stops with room to breathe — #00495a grounds, #00738d and #318ea9 do the talking, #539cb3 softens, #70b8d0 lifts. The analogous bones keep it coherent across book covers that read at thumbnail size. The darkest and lightest stops clear AA as a text pair.
cyanoceanfive-stophigh-contrast
#00495a
#00738d
#318ea9
#539cb3
#70b8d0
The generator opens with #00495a as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.