Aggressor Blue FS 35109 vs Bramble Grove

How close are they?

ΔE 7.2, close: similar, with a visible difference side by side. Bramble Grove is a little lighter, more muted than Aggressor Blue FS 35109.

Can I use Bramble Grove instead of Aggressor Blue FS 35109?

Usually, if you are not matching paint already on the model. Close match (ΔE 7). Bramble Grove is a little lighter, more muted than Aggressor Blue FS 35109.

Can I use Aggressor Blue FS 35109 instead of Bramble Grove?

The same difference applies the other way round: Aggressor Blue FS 35109 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.