ΔE 18.3, loose: different enough that you should pick on purpose. Northern Flesh is noticeably lighter, more saturated than Company Grey.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 18). Northern Flesh is noticeably lighter, more saturated than Company Grey.
The same difference applies the other way round: Company Grey is noticeably darker, 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 Company Grey on the colour wheel See Northern Flesh on the colour wheel
All matches: Company Grey equivalents · Northern Flesh equivalents