ΔE 7.2, close: similar, with a visible difference side by side. Beetle Green is a little lighter, more muted than Pearl Green. They are different kinds of paint: Tamiya Pearl Green is a pearl paint and Vallejo Beetle Green is a metallic, so they won’t behave the same on the model even where the colour is close.
Usually, if you are not matching paint already on the model. Close match (ΔE 7). Beetle Green is a little lighter, more muted than Pearl Green. They are different kinds of paint.
The same difference applies the other way round: Pearl Green is a little darker, 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.
See Pearl Green on the colour wheel See Beetle Green on the colour wheel
All matches: Pearl Green equivalents · Beetle Green equivalents