Aurora palette
Brisk Fen
Dark anchor, working middle, light release: #00698a, #3a93b8, #58afd5, #77bede, #93dbfc form a tetradic aurora set with somewhere to stand at every lightness. Made for national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA for large text.
cyanaurorafive-stop
#00698a
#3a93b8
#58afd5
#77bede
#93dbfc
The generator opens with #00698a as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.