ΔE 24.7, loose: different enough that you should pick on purpose. Yellow Sand is a little darker, more muted, cooler than Wildling Flesh.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 25). Yellow Sand is a little darker, more muted, cooler than Wildling Flesh.
The same difference applies the other way round: Wildling Flesh is a little lighter, 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 Wildling Flesh on the colour wheel See Yellow Sand on the colour wheel
All matches: Wildling Flesh equivalents · Yellow Sand equivalents