Black Metal vs Obsidian Black

How close are they?

ΔE 12.7, fair: the same colour family, but not a straight swap. Obsidian Black is noticeably lighter than Black Metal.

Can I use Obsidian Black instead of Black Metal?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Obsidian Black is noticeably lighter than Black Metal.

Can I use Black Metal instead of Obsidian Black?

The same difference applies the other way round: Black Metal is noticeably darker.

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.