ΔE 6.2, close: similar, with a visible difference side by side. IDF Isr. Sand Grey (61-73) is more muted than IDF Gray 3 Modern.
Usually, if you are not matching paint already on the model. Close match (ΔE 6). IDF Isr. Sand Grey (61-73) is more muted than IDF Gray 3 Modern.
The same difference applies the other way round: IDF Gray 3 Modern is more saturated.
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 Gray 3 Modern on the colour wheel See IDF Isr. Sand Grey (61-73) on the colour wheel
All matches: IDF Gray 3 Modern equivalents · IDF Isr. Sand Grey (61-73) equivalents