Jewel palette
Cordovan Boulevard
Dark anchor, working middle, light release: #007289, #1d9fbc, #46bcd9, #6ecae3, #90e6ff form a triadic jewel 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.
cyanjewelfive-stop
#007289
#1d9fbc
#46bcd9
#6ecae3
#90e6ff
The generator opens with #007289 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.