Pale Silver vs Sterling Silver

How close are they?

ΔE 7.1, close: similar, with a visible difference side by side. Sterling Silver is more saturated than Pale Silver.

Can I use Sterling Silver instead of Pale Silver?

Usually, if you are not matching paint already on the model. Close match (ΔE 7). Sterling Silver is more saturated than Pale Silver.

Can I use Pale Silver instead of Sterling Silver?

The same difference applies the other way round: Pale Silver is more muted.

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.