Nebula palette
Leaden Canyon
From #00466b ink through #006fa6, #308ac3, #5299ca to #6eb5e8 light, Leaden Canyon is a triadic progression that holds together at any size. Use it for national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA as a text pair.
skynebulafive-stophigh-contrast
#00466b
#006fa6
#308ac3
#5299ca
#6eb5e8
The generator opens with #00466b as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.