Ocean palette
Umber Atelier
Dark anchor, working middle, light release: #004f3f, #007c64, #32977e, #56a48e, #72c1a9 form a triadic 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.
tealoceanfive-stophigh-contrast
#004f3f
#007c64
#32977e
#56a48e
#72c1a9
The generator opens with #004f3f as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.