Firethorn Brown vs Amaranth Red

How close are they?

ΔE 11.0, fair: the same colour family, but not a straight swap. Amaranth Red is a little lighter than Firethorn Brown.

Can I use Amaranth Red instead of Firethorn Brown?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Amaranth Red is a little lighter than Firethorn Brown.

Can I use Firethorn Brown instead of Amaranth Red?

The same difference applies the other way round: Firethorn Brown is a little darker.

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.