Aurora palette
Pink Abbey
Dark anchor, working middle, light release: #004079, #2668ac, #4283c9, #5d93cf, #78afed form a triadic 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.
skyaurorafive-stophigh-contrast
#004079
#2668ac
#4283c9
#5d93cf
#78afed
The generator opens with #004079 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.