Rage Brown vs Seraph Red

How close are they?

ΔE 11.4, fair: the same colour family, but not a straight swap. Seraph Red is a little darker, more muted, cooler than Rage Brown.

Can I use Seraph Red instead of Rage Brown?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Seraph Red is a little darker, more muted, cooler than Rage Brown.

Can I use Rage Brown instead of Seraph Red?

The same difference applies the other way round: Rage Brown is a little lighter, 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.