ΔE 10.7, fair: the same colour family, but not a straight swap. Rosy Flesh is noticeably lighter than Light Flesh.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Rosy Flesh is noticeably lighter than Light Flesh.
The same difference applies the other way round: Light Flesh is noticeably darker.
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 Light Flesh on the colour wheel See Rosy Flesh on the colour wheel
All matches: Light Flesh equivalents · Rosy Flesh equivalents