ΔE 6.1, close: similar, with a visible difference side by side. Cavalry Brown is a little darker, more muted than Shadow Flesh.
Usually, if you are not matching paint already on the model. Close match (ΔE 6). Cavalry Brown is a little darker, more muted than Shadow Flesh.
The same difference applies the other way round: Shadow Flesh is a little lighter, more saturated.
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 Shadow Flesh on the colour wheel See Cavalry Brown on the colour wheel
All matches: Shadow Flesh equivalents · Cavalry Brown equivalents