Coven Purple vs Sorcerer's Cloak

How close are they?

ΔE 9.4, close: similar, with a visible difference side by side. Sorcerer's Cloak is a little darker, more muted than Coven Purple.

Can I use Sorcerer's Cloak instead of Coven Purple?

Usually, if you are not matching paint already on the model. Close match (ΔE 9). Sorcerer's Cloak is a little darker, more muted than Coven Purple.

Can I use Coven Purple instead of Sorcerer's Cloak?

The same difference applies the other way round: Coven Purple is a little lighter, 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.