ΔE 17.2, loose: different enough that you should pick on purpose. Rosy Flesh is much more muted, cooler than Light Tan.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 17). Rosy Flesh is much more muted, cooler than Light Tan.
The same difference applies the other way round: Light Tan is much more saturated, 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 Light Tan on the colour wheel See Rosy Flesh on the colour wheel
All matches: Light Tan equivalents · Rosy Flesh equivalents