ΔE 10.2, fair: the same colour family, but not a straight swap. Desert Tan is a little lighter, more saturated, warmer than Krieg Khaki.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 10). Desert Tan is a little lighter, more saturated, warmer than Krieg Khaki.
The same difference applies the other way round: Krieg Khaki is a little darker, 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 Krieg Khaki on the colour wheel See Desert Tan on the colour wheel
All matches: Krieg Khaki equivalents · Desert Tan equivalents