Scorched Metal vs Brass

How close are they?

ΔE 9.4, close: similar, with a visible difference side by side. Brass is a little darker than Scorched Metal.

Can I use Brass instead of Scorched Metal?

Usually, if you are not matching paint already on the model. Close match (ΔE 9). Brass is a little darker than Scorched Metal.

Can I use Scorched Metal instead of Brass?

The same difference applies the other way round: Scorched Metal 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.