Evil Chrome vs Speed Metal

How close are they?

ΔE 15.7, loose: different enough that you should pick on purpose. Speed Metal is noticeably lighter, more saturated than Evil Chrome.

Can I use Speed Metal instead of Evil Chrome?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 16). Speed Metal is noticeably lighter, more saturated than Evil Chrome.

Can I use Evil Chrome instead of Speed Metal?

The same difference applies the other way round: Evil Chrome is noticeably darker, more muted.

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.