Nebula palette
Firstlight Dairy
From #004d4c ink through #007977, #329492, #55a19f to #72bebb light, Firstlight Dairy 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 as a text pair.
cyannebulafive-stophigh-contrast
#004d4c
#007977
#329492
#55a19f
#72bebb
The generator opens with #004d4c as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.