Ocean palette
Hushed Brook
Dark anchor, working middle, light release: #004748, #007273, #308d8e, #529a9a, #6eb6b6 form a monochromatic ocean set with somewhere to stand at every lightness. Made for book covers that read at thumbnail size. The darkest and lightest stops clear AA as a text pair.
cyanoceanfive-stophigh-contrast
#004748
#007273
#308d8e
#529a9a
#6eb6b6
The generator opens with #004748 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.