ΔE 16.0, loose: different enough that you should pick on purpose. Tan Flesh is more saturated, warmer than Charred Bone.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 16). Tan Flesh is more saturated, warmer than Charred Bone.
The same difference applies the other way round: Charred Bone is 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 Charred Bone on the colour wheel See Tan Flesh on the colour wheel
All matches: Charred Bone equivalents · Tan Flesh equivalents