Nebula palette
Spruce Kiln
Dark anchor, working middle, light release: #006b8b, #0097c3, #3ab3e1, #65c2e8, #91deff form a analogous 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
#006b8b
#0097c3
#3ab3e1
#65c2e8
#91deff
The generator opens with #006b8b as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.