ΔE 13.9, fair: the same colour family, but not a straight swap. Silver Grey is noticeably darker, warmer than Northern Flesh.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Silver Grey is noticeably darker, warmer than Northern Flesh.
The same difference applies the other way round: Northern Flesh is noticeably lighter, cooler.
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 Northern Flesh on the colour wheel See Silver Grey on the colour wheel
All matches: Northern Flesh equivalents · Silver Grey equivalents