Enchanted Steel vs Metallic Medium

How close are they?

ΔE 28.8, loose: different enough that you should pick on purpose. Metallic Medium is noticeably lighter, more muted than Enchanted Steel.

Can I use Metallic Medium instead of Enchanted Steel?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 29). Metallic Medium is noticeably lighter, more muted than Enchanted Steel.

Can I use Enchanted Steel instead of Metallic Medium?

The same difference applies the other way round: Enchanted Steel 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.