Deathless Metal vs Old Gold

How close are they?

ΔE 7.4, close: similar, with a visible difference side by side. Old Gold is warmer than Deathless Metal.

Can I use Old Gold instead of Deathless Metal?

Usually, if you are not matching paint already on the model. Close match (ΔE 7). Old Gold is warmer than Deathless Metal.

Can I use Deathless Metal instead of Old Gold?

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