ΔE 30.3, loose: different enough that you should pick on purpose. Reddish Flesh is noticeably lighter, much more muted than Pale Carmine Red.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 30). Reddish Flesh is noticeably lighter, much more muted than Pale Carmine Red.
The same difference applies the other way round: Pale Carmine Red is noticeably darker, much more saturated.
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 Pale Carmine Red on the colour wheel See Reddish Flesh on the colour wheel
All matches: Pale Carmine Red equivalents · Reddish Flesh equivalents