Burnt Iron vs Old Gold

How close are they?

ΔE 6.5, close: similar, with a visible difference side by side. Old Gold is warmer than Burnt Iron.

Can I use Old Gold instead of Burnt Iron?

Usually, if you are not matching paint already on the model. Close match (ΔE 6). Old Gold is warmer than Burnt Iron.

Can I use Burnt Iron instead of Old Gold?

The same difference applies the other way round: Burnt Iron 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.