Nebula palette
Earthen Mill
From #004999 ink through #1570db, #388dfa, #599efc to #8bbcff light, Earthen Mill is a triadic progression that holds together at any size. Use it for event posters that compete with a wall of other posters. The darkest and lightest stops clear AA for large text.
skynebulafive-stop
#004999
#1570db
#388dfa
#599efc
#8bbcff
The generator opens with #004999 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.