ΔE 11.2, fair: the same colour family, but not a straight swap. Dragon Red is a little darker, cooler than Brick Red.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Dragon Red is a little darker, cooler than Brick Red.
The same difference applies the other way round: Brick Red is a little lighter, 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 Brick Red on the colour wheel See Dragon Red on the colour wheel
All matches: Brick Red equivalents · Dragon Red equivalents