ΔE 17.0, loose: different enough that you should pick on purpose. Rosy Flesh is a little darker, more saturated, warmer than Parchment.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 17). Rosy Flesh is a little darker, more saturated, warmer than Parchment.
The same difference applies the other way round: Parchment is a little lighter, more muted, cooler.
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 Parchment on the colour wheel See Rosy Flesh on the colour wheel
All matches: Parchment equivalents · Rosy Flesh equivalents