ΔE 18.1, loose: different enough that you should pick on purpose. Sterling Silver is noticeably lighter than Stormhost Silver.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 18). Sterling Silver is noticeably lighter than Stormhost Silver.
The same difference applies the other way round: Stormhost Silver is noticeably darker.
ΔE is the colour difference between our two swatch estimates: under 2 is a perfect match (you’d struggle to tell them apart), under 6 very close, under 10 close, under 15 fair, under 20 loose, under 30 very loose, and 30 or more a poor match. Real paints also differ in finish, coverage and how they thin, so test before you commit.
See Stormhost Silver on the colour wheel See Sterling Silver on the colour wheel
All matches: Stormhost Silver equivalents · Sterling Silver equivalents