Hoard Bronze vs Blighted Gold

How close are they?

ΔE 26.8, loose: different enough that you should pick on purpose. Blighted Gold is much more saturated, cooler than Hoard Bronze.

Can I use Blighted Gold instead of Hoard Bronze?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 27). Blighted Gold is much more saturated, cooler than Hoard Bronze.

Can I use Hoard Bronze instead of Blighted Gold?

The same difference applies the other way round: Hoard Bronze is much more muted, warmer.

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.