Ocean palette
Vale Depot
Dark anchor, working middle, light release: #00475c, #007190, #308cac, #539ab5, #6fb6d2 form a analogous 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
#00475c
#007190
#308cac
#539ab5
#6fb6d2
The generator opens with #00475c as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.