Glittering Loot vs Antique Gold

How close are they?

ΔE 18.5, loose: different enough that you should pick on purpose. Antique Gold is more muted, warmer than Glittering Loot.

Can I use Antique Gold instead of Glittering Loot?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 19). Antique Gold is more muted, warmer than Glittering Loot.

Can I use Glittering Loot instead of Antique Gold?

The same difference applies the other way round: Glittering Loot is more saturated, 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.