ΔE 11.9, fair: the same colour family, but not a straight swap. Sterling Silver is noticeably darker, more saturated than Quicksilver.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Sterling Silver is noticeably darker, more saturated than Quicksilver.
The same difference applies the other way round: Quicksilver is noticeably lighter, 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.
See Quicksilver on the colour wheel See Sterling Silver on the colour wheel
All matches: Quicksilver equivalents · Sterling Silver equivalents