Hull Red vs Red Brown 2

How close are they?

ΔE 13.5, fair: the same colour family, but not a straight swap. Red Brown 2 is much more muted, warmer than Hull Red.

Can I use Red Brown 2 instead of Hull Red?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Red Brown 2 is much more muted, warmer than Hull Red.

Can I use Hull Red instead of Red Brown 2?

The same difference applies the other way round: Hull Red is much 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.