Nebula palette
Fiery Harbor
From #005f5c ink through #008c88, #37a8a3, #5eb5b1 to #7bd2cd light, Fiery Harbor is a tetradic progression that holds together at any size. Use it for newsletters where the header, links, and footers share one voice. The darkest and lightest stops clear AA for large text.
cyannebulafive-stop
#005f5c
#008c88
#37a8a3
#5eb5b1
#7bd2cd
The generator opens with #005f5c as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.