ΔE 5.6, very close: most people won’t see a difference side by side. Dark Green Brown is more saturated, warmer than Dark Soviet Khaki.
Yes, for most jobs. Very close match (ΔE 6). Dark Green Brown is more saturated, warmer than Dark Soviet Khaki.
The same difference applies the other way round: Dark Soviet Khaki is more muted, cooler.
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 Dark Soviet Khaki on the colour wheel See Dark Green Brown on the colour wheel
All matches: Dark Soviet Khaki equivalents · Dark Green Brown equivalents