Nebula palette
Granite Loft
From #006666 ink through #009393, #39afaf, #61bcbc to #7fdad9 light, Granite Loft is a tetradic 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
#006666
#009393
#39afaf
#61bcbc
#7fdad9
The generator opens with #006666 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.