Coven Purple vs Mead Violet

How close are they?

ΔE 18.3, loose: different enough that you should pick on purpose. Mead Violet is a little lighter, much more muted than Coven Purple.

Can I use Mead Violet instead of Coven Purple?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 18). Mead Violet is a little lighter, much more muted than Coven Purple.

Can I use Coven Purple instead of Mead Violet?

The same difference applies the other way round: Coven Purple is a little darker, much more saturated.

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.