ΔE 12.2, fair: the same colour family, but not a straight swap. Frozen Flesh is noticeably darker than Reddish Flesh.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Frozen Flesh is noticeably darker than Reddish Flesh.
The same difference applies the other way round: Reddish Flesh is noticeably lighter.
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 Reddish Flesh on the colour wheel See Frozen Flesh on the colour wheel
All matches: Reddish Flesh equivalents · Frozen Flesh equivalents