Surf palette
Sage Cove
Dark anchor, working middle, light release: #004951, #007480, #318f9b, #539ca7, #70b9c3 form a triadic surf 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.
cyansurffive-stophigh-contrast
#004951
#007480
#318f9b
#539ca7
#70b9c3
The generator opens with #004951 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.