ΔE 24.8, loose: different enough that you should pick on purpose. Khaki Drill is noticeably darker, more saturated, warmer than Plaguebearer Flesh.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 25). Khaki Drill is noticeably darker, more saturated, warmer than Plaguebearer Flesh.
The same difference applies the other way round: Plaguebearer Flesh 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 Plaguebearer Flesh on the colour wheel See Khaki Drill on the colour wheel
All matches: Plaguebearer Flesh equivalents · Khaki Drill equivalents