4D Glasses vs Beetle Green

How close are they?

ΔE 6.3, close: similar, with a visible difference side by side. Beetle Green is warmer than 4D Glasses.

Can I use Beetle Green instead of 4D Glasses?

Usually, if you are not matching paint already on the model. Close match (ΔE 6). Beetle Green is warmer than 4D Glasses.

Can I use 4D Glasses instead of Beetle Green?

The same difference applies the other way round: 4D Glasses is cooler.

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.