Nebula palette
Marble Square
Dark anchor, working middle, light release: #00517b, #2d7aab, #4b95c8, #67a4d0, #83c1ee 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
#00517b
#2d7aab
#4b95c8
#67a4d0
#83c1ee
The generator opens with #00517b as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.