ΔE 16.3, loose: different enough that you should pick on purpose. Pale Flesh is noticeably darker, more saturated, warmer than Gray FS36622.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 16). Pale Flesh is noticeably darker, more saturated, warmer than Gray FS36622.
The same difference applies the other way round: Gray FS36622 is noticeably lighter, more muted, 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 Gray FS36622 on the colour wheel See Pale Flesh on the colour wheel
All matches: Gray FS36622 equivalents · Pale Flesh equivalents