Nebula palette
Starlit Bluff
From #007273 ink through #00a0a2, #3cbdbe, #67cacb to #85e7e8 light, Starlit Bluff is a monochromatic progression that holds together at any size. Use it for national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA for large text.
cyannebulafive-stop
#007273
#00a0a2
#3cbdbe
#67cacb
#85e7e8
The generator opens with #007273 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.