ΔE 16.8, loose: different enough that you should pick on purpose. Red is a little darker, much more muted, cooler than Bold Pyrrole Red.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 17). Red is a little darker, much more muted, cooler than Bold Pyrrole Red.
The same difference applies the other way round: Bold Pyrrole Red is a little lighter, much 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.
See Bold Pyrrole Red on the colour wheel See Red on the colour wheel
All matches: Bold Pyrrole Red equivalents · Red equivalents