Raging Rose vs Angron Red Clear

How close are they?

ΔE 20.0, loose: different enough that you should pick on purpose. Angron Red Clear is noticeably darker, much more saturated than Raging Rose.

Can I use Angron Red Clear instead of Raging Rose?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 20). Angron Red Clear is noticeably darker, much more saturated than Raging Rose.

Can I use Raging Rose instead of Angron Red Clear?

The same difference applies the other way round: Raging Rose is noticeably lighter, much more muted.

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.