Ocean palette
Tranquil Fen
Dark anchor, working middle, light release: #004650, #007180, #308c9b, #5299a6, #6eb6c3 form a triadic ocean set with somewhere to stand at every lightness. Made for craft brewery cans lined up in a cooler door. The darkest and lightest stops clear AA as a text pair.
cyanoceanfive-stophigh-contrast
#004650
#007180
#308c9b
#5299a6
#6eb6c3
The generator opens with #004650 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.