ΔE 6.9, close: similar, with a visible difference side by side. Middle Stone is more muted than Coyote Brown.
Usually, if you are not matching paint already on the model. Close match (ΔE 7). Middle Stone is more muted than Coyote Brown.
The same difference applies the other way round: Coyote Brown is 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 Coyote Brown on the colour wheel See Middle Stone on the colour wheel
All matches: Coyote Brown equivalents · Middle Stone equivalents