Word Bearers Red vs Asmodeus Red

How close are they?

ΔE 17.3, loose: different enough that you should pick on purpose. Asmodeus Red is noticeably lighter, more muted than Word Bearers Red.

Can I use Asmodeus Red instead of Word Bearers Red?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 17). Asmodeus Red is noticeably lighter, more muted than Word Bearers Red.

Can I use Word Bearers Red instead of Asmodeus Red?

The same difference applies the other way round: Word Bearers Red 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.