Dark Concrete vs IJN Deep Dark Green

How close are they?

ΔE 12.3, fair: the same colour family, but not a straight swap. IJN Deep Dark Green is a little darker, more saturated than Dark Concrete.

Can I use IJN Deep Dark Green instead of Dark Concrete?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). IJN Deep Dark Green is a little darker, more saturated than Dark Concrete.

Can I use Dark Concrete instead of IJN Deep Dark Green?

The same difference applies the other way round: Dark Concrete is a little lighter, more muted.

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.