ΔE 13.7, fair: the same colour family, but not a straight swap. Gal Vorbak Red is noticeably darker than Night Blood.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Gal Vorbak Red is noticeably darker than Night Blood.
The same difference applies the other way round: Night Blood is noticeably 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.
See Night Blood on the colour wheel See Gal Vorbak Red on the colour wheel
All matches: Night Blood equivalents · Gal Vorbak Red equivalents