Golden Armour vs Overlord Brass

How close are they?

ΔE 24.0, loose: different enough that you should pick on purpose. Overlord Brass is noticeably lighter, more saturated than Golden Armour.

Can I use Overlord Brass instead of Golden Armour?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 24). Overlord Brass is noticeably lighter, more saturated than Golden Armour.

Can I use Golden Armour instead of Overlord Brass?

The same difference applies the other way round: Golden Armour is noticeably darker, 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.