Dark Concrete vs IDF Sinai Grey

How close are they?

ΔE 11.6, fair: the same colour family, but not a straight swap. IDF Sinai Grey is a little lighter than Dark Concrete.

Can I use IDF Sinai Grey instead of Dark Concrete?

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 Dark Concrete.

Can I use Dark Concrete instead of IDF Sinai Grey?

The same difference applies the other way round: Dark Concrete 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.