Jewel palette
Sable Estuary
Five jewel stops with room to breathe — #00475a grounds, #00718d and #308ca9 do the talking, #529ab3 softens, #6fb6d0 lifts. The monochromatic bones keep it coherent across museum exhibition graphics with long sightlines. The darkest and lightest stops clear AA as a text pair.
cyanjewelfive-stophigh-contrast
#00475a
#00718d
#308ca9
#529ab3
#6fb6d0
The generator opens with #00475a as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.