Nebula palette
Dusky Library
Dark anchor, working middle, light release: #006366, #009094, #38acb0, #60b9bc, #7ed6d9 form a complementary nebula set with somewhere to stand at every lightness. Made for national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA for large text.
cyannebulafive-stop
#006366
#009094
#38acb0
#60b9bc
#7ed6d9
The generator opens with #006366 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.