Aurora palette
Hickory Garret
Dark anchor, working middle, light release: #00465d, #007092, #308bae, #5299b7, #6eb5d4 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 as a text pair.
cyanaurorafive-stophigh-contrast
#00465d
#007092
#308bae
#5299b7
#6eb5d4
The generator opens with #00465d as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.