ΔE 12.6, fair: the same colour family, but not a straight swap. Warm Flesh is a little lighter, more saturated, cooler than Deepkin Flesh.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Warm Flesh is a little lighter, more saturated, cooler than Deepkin Flesh.
The same difference applies the other way round: Deepkin Flesh is a little darker, 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 Deepkin Flesh on the colour wheel See Warm Flesh on the colour wheel
All matches: Deepkin Flesh equivalents · Warm Flesh equivalents