Aurora palette
Frosty Bluff
Dark anchor, working middle, light release: #005e78, #008aae, #37a6cb, #5eb4d4, #7cd1f2 form a monochromatic aurora 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.
cyanaurorafive-stop
#005e78
#008aae
#37a6cb
#5eb4d4
#7cd1f2
The generator opens with #005e78 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.