ΔE 11.2, fair: the same colour family, but not a straight swap. Blackened Brown is more muted, warmer than Gal Vorbak Red.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Blackened Brown is more muted, warmer than Gal Vorbak Red.
The same difference applies the other way round: Gal Vorbak Red is more saturated, 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.
See Gal Vorbak Red on the colour wheel See Blackened Brown on the colour wheel
All matches: Gal Vorbak Red equivalents · Blackened Brown equivalents