ΔE 11.9, fair: the same colour family, but not a straight swap. Purple Hex is a little lighter, cooler than Dark Shadow Flesh.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Purple Hex is a little lighter, cooler than Dark Shadow Flesh.
The same difference applies the other way round: Dark Shadow Flesh is a little darker, 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 Dark Shadow Flesh on the colour wheel See Purple Hex on the colour wheel
All matches: Dark Shadow Flesh equivalents · Purple Hex equivalents