ΔE 11.1, fair: the same colour family, but not a straight swap. Emperor's Children is a little darker, more saturated, warmer than Weird Elixir.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Emperor's Children is a little darker, more saturated, warmer than Weird Elixir.
The same difference applies the other way round: Weird Elixir is a little lighter, more muted, cooler.
ΔE is the colour difference between our two swatch estimates: under about 6 is close, over about 15 is loose. Real paints also differ in finish, coverage and how they thin, so test before you commit.
See Weird Elixir on the colour wheel See Emperor's Children on the colour wheel
All matches: Weird Elixir equivalents · Emperor's Children equivalents