ΔE 12.0, fair: the same colour family, but not a straight swap. IDF Sinai Grey is a little lighter than Regiment Grey.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). IDF Sinai Grey is a little lighter than Regiment Grey.
The same difference applies the other way round: Regiment Grey is a little darker.
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 Regiment Grey on the colour wheel See IDF Sinai Grey on the colour wheel
All matches: Regiment Grey equivalents · IDF Sinai Grey equivalents