Mechanicus Standard Grey vs Dark Brown Ochre

How close are they?

ΔE 10.0, fair: the same colour family, but not a straight swap. Dark Brown Ochre is a little darker than Mechanicus Standard Grey.

Can I use Dark Brown Ochre instead of Mechanicus Standard Grey?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 10). Dark Brown Ochre is a little darker than Mechanicus Standard Grey.

Can I use Mechanicus Standard Grey instead of Dark Brown Ochre?

The same difference applies the other way round: Mechanicus Standard Grey is a little lighter.

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.