Eye of Terror vs Warlord Purple

How close are they?

ΔE 6.3, close: similar, with a visible difference side by side. Warlord Purple is more muted than Eye of Terror.

Can I use Warlord Purple instead of Eye of Terror?

Usually, if you are not matching paint already on the model. Close match (ΔE 6). Warlord Purple is more muted than Eye of Terror.

Can I use Eye of Terror instead of Warlord Purple?

The same difference applies the other way round: Eye of Terror is 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.