Runelord Brass vs Rich Gold

How close are they?

ΔE 28.5, loose: different enough that you should pick on purpose. Rich Gold is noticeably lighter, much more saturated, warmer than Runelord Brass.

Can I use Rich Gold instead of Runelord Brass?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 28). Rich Gold is noticeably lighter, much more saturated, warmer than Runelord Brass.

Can I use Runelord Brass instead of Rich Gold?

The same difference applies the other way round: Runelord Brass is noticeably darker, much more muted, cooler.

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.