Surf palette
Granite Estuary
Dark anchor, working middle, light release: #005c6a, #915145, #007282, #ad6b5e, #308d9d form a tetradic surf set with somewhere to stand at every lightness. Made for book covers that read at thumbnail size.
cyansurffive-stop
#005c6a
#915145
#007282
#ad6b5e
#308d9d
The generator opens with #005c6a as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.