Aurora palette
Marble Inn
Five aurora stops with room to breathe — #00743d grounds, #32a160 and #53be7b do the talking, #74ca91 softens, #91e8ad lifts. The tetradic bones keep it coherent across national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA for large text.
greenaurorafive-stop
#00743d
#32a160
#53be7b
#74ca91
#91e8ad
The generator opens with #00743d as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.