ΔE 12.2, fair: the same colour family, but not a straight swap. Tinstar is noticeably lighter than Silver Fox.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Tinstar is noticeably lighter than Silver Fox.
The same difference applies the other way round: Silver Fox is noticeably darker.
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 Silver Fox on the colour wheel See Tinstar on the colour wheel
All matches: Silver Fox equivalents · Tinstar equivalents