ΔE 11.7, fair: the same colour family, but not a straight swap. Terracotta Pie is a little darker, warmer than Raging Rouge.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Terracotta Pie is a little darker, warmer than Raging Rouge.
The same difference applies the other way round: Raging Rouge is a little lighter, 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.
See Raging Rouge on the colour wheel See Terracotta Pie on the colour wheel
All matches: Raging Rouge equivalents · Terracotta Pie equivalents