Sumi palette
Mercurial Lagoon
From #8e222b ink through #a5393e, #007177, #c45557 to #008f96 light, Mercurial Lagoon is a tetradic progression that holds together at any size. Use it for podcast cover art at sixty pixels square.
redsumifive-stop
#8e222b
#a5393e
#007177
#c45557
#008f96
The generator opens with #8e222b as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.