Nebula palette
Walnut Deck
Dark anchor, working middle, light release: #006b8a, #0097c2, #3ab3e0, #65c2e8, #90deff form a monochromatic 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
#006b8a
#0097c2
#3ab3e0
#65c2e8
#90deff
The generator opens with #006b8a as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.