Nebula palette
Woolen Chapel
Five nebula stops with room to breathe — #154a9e grounds, #4275c8 and #5c91e6 do the talking, #74a1eb softens, #96beff lifts. The analogous bones keep it coherent across national-park posters with layered mountain silhouettes. The darkest and lightest stops clear AA for large text.
skynebulafive-stop
#154a9e
#4275c8
#5c91e6
#74a1eb
#96beff
The generator opens with #154a9e as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.