ΔE 7.3, close: similar, with a visible difference side by side. Cam. Med. Brown is a little lighter, more muted than Dirt Spatter.
Usually, if you are not matching paint already on the model. Close match (ΔE 7). Cam. Med. Brown is a little lighter, more muted than Dirt Spatter.
The same difference applies the other way round: Dirt Spatter is a little darker, 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 Dirt Spatter on the colour wheel See Cam. Med. Brown on the colour wheel
All matches: Dirt Spatter equivalents · Cam. Med. Brown equivalents