Runelord Brass vs Ancient Gold

How close are they?

ΔE 15.6, loose: different enough that you should pick on purpose. Ancient Gold is a little darker, much more muted than Runelord Brass.

Can I use Ancient Gold instead of Runelord Brass?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 16). Ancient Gold is a little darker, much more muted than Runelord Brass.

Can I use Runelord Brass instead of Ancient Gold?

The same difference applies the other way round: Runelord Brass is a little lighter, much 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.