Flesh Tearers Red vs Cardinal Purple

How close are they?

ΔE 9.1, close: similar, with a visible difference side by side. Cardinal Purple is cooler than Flesh Tearers Red.

Can I use Cardinal Purple instead of Flesh Tearers Red?

Usually, if you are not matching paint already on the model. Close match (ΔE 9). Cardinal Purple is cooler than Flesh Tearers Red.

Can I use Flesh Tearers Red instead of Cardinal Purple?

The same difference applies the other way round: Flesh Tearers Red is warmer.

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.