Monster Brown vs Tanned Shadow

How close are they?

ΔE 7.0, close: similar, with a visible difference side by side. Tanned Shadow is a little darker than Monster Brown.

Can I use Tanned Shadow instead of Monster Brown?

Usually, if you are not matching paint already on the model. Close match (ΔE 7). Tanned Shadow is a little darker than Monster Brown.

Can I use Monster Brown instead of Tanned Shadow?

The same difference applies the other way round: Monster Brown 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.