Golden Moon vs Black (Metallic)

How close are they?

ΔE 15.2, loose: different enough that you should pick on purpose. Black (Metallic) is noticeably lighter, more muted than Golden Moon.

Can I use Black (Metallic) instead of Golden Moon?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 15). Black (Metallic) is noticeably lighter, more muted than Golden Moon.

Can I use Golden Moon instead of Black (Metallic)?

The same difference applies the other way round: Golden Moon is noticeably darker, 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.