Bright Gun Metal vs Silver

How close are they?

ΔE 6.1, close: similar, with a visible difference side by side. Silver is more muted than Bright Gun Metal.

Can I use Silver instead of Bright Gun Metal?

Usually, if you are not matching paint already on the model. Close match (ΔE 6). Silver is more muted than Bright Gun Metal.

Can I use Bright Gun Metal instead of Silver?

The same difference applies the other way round: Bright Gun Metal is more saturated.

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.