ΔE 17.1, loose: different enough that you should pick on purpose. Earth is noticeably darker, much more saturated, cooler than Ares Flesh.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 17). Earth is noticeably darker, much more saturated, cooler than Ares Flesh.
The same difference applies the other way round: Ares Flesh is noticeably lighter, much more muted, 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 Ares Flesh on the colour wheel See Earth on the colour wheel
All matches: Ares Flesh equivalents · Earth equivalents