Aurora palette
Caramel Bluff
Dark anchor, working middle, light release: #004752, #007282, #308d9d, #539ba8, #6fb7c5 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 as a text pair.
cyanaurorafive-stophigh-contrast
#004752
#007282
#308d9d
#539ba8
#6fb7c5
The generator opens with #004752 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.