ΔE 7.0, close: similar, with a visible difference side by side. Sterling Silver is a little darker than Quick Silver.
Usually, if you are not matching paint already on the model. Close match (ΔE 7). Sterling Silver is a little darker than Quick Silver.
The same difference applies the other way round: Quick Silver is a little lighter.
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.
See Quick Silver on the colour wheel See Sterling Silver on the colour wheel
All matches: Quick Silver equivalents · Sterling Silver equivalents