Green Pearl vs Beetle Green

How close are they?

ΔE 25.7, loose: different enough that you should pick on purpose. Beetle Green is a little darker, much more saturated than Green Pearl.

Can I use Beetle Green instead of Green Pearl?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 26). Beetle Green is a little darker, much more saturated than Green Pearl.

Can I use Green Pearl instead of Beetle Green?

The same difference applies the other way round: Green Pearl is a little 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.