ΔE 11.7, fair: the same colour family, but not a straight swap. Dark Earth is noticeably darker, more muted, cooler than Paratrooper Tan.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Dark Earth is noticeably darker, more muted, cooler than Paratrooper Tan.
The same difference applies the other way round: Paratrooper Tan is noticeably lighter, more saturated, 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 Paratrooper Tan on the colour wheel See Dark Earth on the colour wheel
All matches: Paratrooper Tan equivalents · Dark Earth equivalents