ΔE 6.9, close: similar, with a visible difference side by side. IDF Gray 1 (-1981 Sinai) is warmer than Krieg Khaki.
Usually, if you are not matching paint already on the model. Close match (ΔE 7). IDF Gray 1 (-1981 Sinai) is warmer than Krieg Khaki.
The same difference applies the other way round: Krieg Khaki is 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 IDF Gray 1 (-1981 Sinai) on the colour wheel
All matches: Krieg Khaki equivalents · IDF Gray 1 (-1981 Sinai) equivalents