Aurora palette
Obsidian Beacon
Dark anchor, working middle, light release: #237343, #559d6c, #71b987, #8ac79b, #a6e4b7 form a analogous aurora set with somewhere to stand at every lightness. Made for museum exhibition graphics with long sightlines. The darkest and lightest stops clear AA for large text.
greenaurorafive-stop
#237343
#559d6c
#71b987
#8ac79b
#a6e4b7
The generator opens with #237343 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.