Jewel palette
Sumac Marsh
From #00464f ink through #00707e, #308b99, #5198a4 to #6eb5c1 light, Sumac Marsh is a complementary progression that holds together at any size. Use it for museum exhibition graphics with long sightlines. The darkest and lightest stops clear AA as a text pair.
cyanjewelfive-stophigh-contrast
#00464f
#00707e
#308b99
#5198a4
#6eb5c1
The generator opens with #00464f as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.