ΔE 11.4, fair: the same colour family, but not a straight swap. Angron Red Clear is more muted than Pure Red.
Can I use Angron Red Clear instead of Pure Red?
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Angron Red Clear is more muted than Pure Red.
Can I use Pure Red instead of Angron Red Clear?
The same difference applies the other way round: Pure Red 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.