ΔE 10.3, fair: the same colour family, but not a straight swap. Hobgrot Hide is more saturated, warmer than IDF Sand Grey 1970s-1980s.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 10). Hobgrot Hide is more saturated, warmer than IDF Sand Grey 1970s-1980s.
The same difference applies the other way round: IDF Sand Grey 1970s-1980s 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 IDF Sand Grey 1970s-1980s on the colour wheel See Hobgrot Hide on the colour wheel
All matches: IDF Sand Grey 1970s-1980s equivalents · Hobgrot Hide equivalents