Jewel palette
Vernal Cellar
From #00455e ink through #006f93, #308aaf, #5298b8 to #6eb4d5 light, Vernal Cellar is a monochromatic 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
#00455e
#006f93
#308aaf
#5298b8
#6eb4d5
The generator opens with #00455e as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.