Hoard Bronze vs Red Goblin

How close are they?

ΔE 24.9, loose: different enough that you should pick on purpose. Red Goblin is a little darker, more muted, cooler than Hoard Bronze.

Can I use Red Goblin instead of Hoard Bronze?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 25). Red Goblin is a little darker, more muted, cooler than Hoard Bronze.

Can I use Hoard Bronze instead of Red Goblin?

The same difference applies the other way round: Hoard Bronze is a little lighter, more saturated, 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.