Nebula palette
Ashen Beacon
Dark anchor, working middle, light release: #005e50, #008c78, #37a893, #5db5a2, #7bd2be form a analogous nebula 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.
tealnebulafive-stop
#005e50
#008c78
#37a893
#5db5a2
#7bd2be
The generator opens with #005e50 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.