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