Ocean palette
Spruce Abbey
Dark anchor, working middle, light release: #004c5d, #007790, #3292ac, #55a0b6, #72bcd3 form a tetradic ocean set with somewhere to stand at every lightness. Made for museum exhibition graphics with long sightlines. The darkest and lightest stops clear AA for large text.
cyanoceanfive-stop
#004c5d
#007790
#3292ac
#55a0b6
#72bcd3
The generator opens with #004c5d as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.