ΔE 7.4, close: similar, with a visible difference side by side. Angron Red Clear is a little lighter than Imperial Red.
Can I use Angron Red Clear instead of Imperial Red?
Usually, if you are not matching paint already on the model. Close match (ΔE 7). Angron Red Clear is a little lighter than Imperial Red.
Can I use Imperial Red instead of Angron Red Clear?
The same difference applies the other way round: Imperial Red is a little darker.
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.