ΔE 10.4, fair: the same colour family, but not a straight swap. Mead Violet is a little darker than Violet Coven.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 10). Mead Violet is a little darker than Violet Coven.
The same difference applies the other way round: Violet Coven is a little lighter.
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 Violet Coven on the colour wheel See Mead Violet on the colour wheel
All matches: Violet Coven equivalents · Mead Violet equivalents