ΔE 21.8, loose: different enough that you should pick on purpose. Bone Khaki is a little lighter, much more muted, cooler than Cadian Fleshtone.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 22). Bone Khaki is a little lighter, much more muted, cooler than Cadian Fleshtone.
The same difference applies the other way round: Cadian Fleshtone is a little darker, much more saturated, warmer.
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 Cadian Fleshtone on the colour wheel See Bone Khaki on the colour wheel
All matches: Cadian Fleshtone equivalents · Bone Khaki equivalents