ΔE 9.6, close: similar, with a visible difference side by side. Shadow Blue is a little darker, more muted, cooler than Bramble Grove.
Usually, if you are not matching paint already on the model. Close match (ΔE 10). Shadow Blue is a little darker, more muted, cooler than Bramble Grove.
The same difference applies the other way round: Bramble Grove is a little lighter, more saturated, warmer.
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 Bramble Grove on the colour wheel See Shadow Blue on the colour wheel
All matches: Bramble Grove equivalents · Shadow Blue equivalents