Neon palette
Perennial Depot
From #005553 ink through #00817f, #349d9a, #59aaa7 to #76c6c4 light, Perennial Depot is a analogous 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.
cyanneonfive-stop
#005553
#00817f
#349d9a
#59aaa7
#76c6c4
The generator opens with #005553 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.