True Brass vs Rusty Metal

How close are they?

ΔE 9.9, close: similar, with a visible difference side by side. Rusty Metal is warmer than True Brass.

Can I use Rusty Metal instead of True Brass?

Usually, if you are not matching paint already on the model. Close match (ΔE 10). Rusty Metal is warmer than True Brass.

Can I use True Brass instead of Rusty Metal?

The same difference applies the other way round: True Brass is 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.