Aurora palette
Harbor Fen
Dark anchor, working middle, light release: #006f96, #009bd0, #3bb8ee, #67c6f5, #a5e0ff form a split-complementary 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
#006f96
#009bd0
#3bb8ee
#67c6f5
#a5e0ff
The generator opens with #006f96 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.