Black Green vs Matt Black

How close are they?

ΔE 11.7, fair: the same colour family, but not a straight swap. Matt Black is a little darker, more muted than Black Green.

Can I use Matt Black instead of Black Green?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Matt Black is a little darker, more muted than Black Green.

Can I use Black Green instead of Matt Black?

The same difference applies the other way round: Black Green is a little lighter, 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.