ΔE 24.6, loose: different enough that you should pick on purpose. Red Flesh is noticeably lighter, cooler than Golfag Brown.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 25). Red Flesh is noticeably lighter, cooler than Golfag Brown.
The same difference applies the other way round: Golfag Brown is noticeably darker, 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 Golfag Brown on the colour wheel See Red Flesh on the colour wheel
All matches: Golfag Brown equivalents · Red Flesh equivalents