ΔE 19.0, loose: different enough that you should pick on purpose. Crimson Hell is a little lighter, much more muted, cooler than Gal Vorbak Red.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 19). Crimson Hell is a little lighter, much more muted, cooler than Gal Vorbak Red.
The same difference applies the other way round: Gal Vorbak Red is a little darker, much 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 Gal Vorbak Red on the colour wheel See Crimson Hell on the colour wheel
All matches: Gal Vorbak Red equivalents · Crimson Hell equivalents