Black Templar vs Golem Grey

How close are they?

ΔE 10.4, fair: the same colour family, but not a straight swap. Golem Grey is noticeably lighter than Black Templar.

Can I use Golem Grey instead of Black Templar?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 10). Golem Grey is noticeably lighter than Black Templar.

Can I use Black Templar instead of Golem Grey?

The same difference applies the other way round: Black Templar is noticeably 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.