ΔE 5.8, very close: most people won’t see a difference side by side. Purple Shadow is a little darker, warmer than Space Magenta.
Yes, for most jobs. Very close match (ΔE 6). Purple Shadow is a little darker, warmer than Space Magenta.
The same difference applies the other way round: Space Magenta 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 Space Magenta on the colour wheel See Purple Shadow on the colour wheel
All matches: Space Magenta equivalents · Purple Shadow equivalents