Nebula palette
Sooty Courtyard
From #006a8b ink through #0096c4, #3ab2e2, #64c1e9 to #92dcff light, Sooty Courtyard is a analogous progression that holds together at any size. Use it for hotel key cards and lobby signage in one system. The darkest and lightest stops clear AA for large text.
cyannebulafive-stop
#006a8b
#0096c4
#3ab2e2
#64c1e9
#92dcff
The generator opens with #006a8b as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.