Nebula palette
Steely Plaza
From #00736f ink through #00a19c, #3cbeb8, #68cbc6 to #86e8e3 light, Steely Plaza 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
#00736f
#00a19c
#3cbeb8
#68cbc6
#86e8e3
The generator opens with #00736f as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.