Gal Vorbak Red vs Permanent Maroon

How close are they?

ΔE 6.6, close: similar, with a visible difference side by side. Permanent Maroon is a little darker than Gal Vorbak Red.

Can I use Permanent Maroon instead of Gal Vorbak Red?

Usually, if you are not matching paint already on the model. Close match (ΔE 7). Permanent Maroon is a little darker than Gal Vorbak Red.

Can I use Gal Vorbak Red instead of Permanent Maroon?

The same difference applies the other way round: Gal Vorbak Red is a little lighter.

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.