Evil Chrome vs Dark Silver

How close are they?

ΔE 28.2, loose: different enough that you should pick on purpose. Dark Silver is noticeably lighter, much more muted than Evil Chrome.

Can I use Dark Silver instead of Evil Chrome?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 28). Dark Silver is noticeably lighter, much more muted than Evil Chrome.

Can I use Evil Chrome instead of Dark Silver?

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