Bright Gold vs Auric Armour Gold

How close are they?

ΔE 17.4, loose: different enough that you should pick on purpose. Auric Armour Gold is a little darker, much more muted than Bright Gold.

✓ Army Painter Fanatic conversion chart lists these two as equivalents.

Can I use Auric Armour Gold instead of Bright Gold?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 17). Auric Armour Gold is a little darker, much more muted than Bright Gold.

Can I use Bright Gold instead of Auric Armour Gold?

The same difference applies the other way round: Bright Gold 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.