ΔE 10.7, fair: the same colour family, but not a straight swap. Gorgon Brown is a little lighter, cooler than Intense Brown.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Gorgon Brown is a little lighter, cooler than Intense Brown.
The same difference applies the other way round: Intense Brown is a little darker, 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 Intense Brown on the colour wheel See Gorgon Brown on the colour wheel
All matches: Intense Brown equivalents · Gorgon Brown equivalents