Nebula palette
Birch Bookshop
Dark anchor, working middle, light release: #00648d, #338ebe, #52aadc, #71b9e3, #92d6ff form a split-complementary nebula set with somewhere to stand at every lightness. Made for hotel key cards and lobby signage in one system. The darkest and lightest stops clear AA for large text.
skynebulafive-stop
#00648d
#338ebe
#52aadc
#71b9e3
#92d6ff
The generator opens with #00648d as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.