Aurora palette
Silken Chapel
Dark anchor, working middle, light release: #005151, #007d7d, #339898, #57a6a5, #74c2c1 form a monochromatic 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
#005151
#007d7d
#339898
#57a6a5
#74c2c1
The generator opens with #005151 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.