Witchbane Plum vs Muddy Clay

How close are they?

ΔE 21.2, loose: different enough that you should pick on purpose. Muddy Clay is a little darker, much more muted, warmer than Witchbane Plum.

Can I use Muddy Clay instead of Witchbane Plum?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 21). Muddy Clay is a little darker, much more muted, warmer than Witchbane Plum.

Can I use Witchbane Plum instead of Muddy Clay?

The same difference applies the other way round: Witchbane Plum is a little lighter, much more saturated, 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.