Aurora palette
Calico Fen
Dark anchor, working middle, light release: #005858, #008485, #35a0a0, #5aadad, #77caca form a tetradic 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
#005858
#008485
#35a0a0
#5aadad
#77caca
The generator opens with #005858 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.