ΔE 13.8, fair: the same colour family, but not a straight swap. Fulgrim Pink is a little darker, more saturated, cooler than Pink Flesh.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Fulgrim Pink is a little darker, more saturated, cooler than Pink Flesh.
The same difference applies the other way round: Pink Flesh is a little lighter, more muted, 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 Pink Flesh on the colour wheel See Fulgrim Pink on the colour wheel
All matches: Pink Flesh equivalents · Fulgrim Pink equivalents