ΔE 13.0, fair: the same colour family, but not a straight swap. Purple Shadow is a little darker, much more muted than Wasteland Soil.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Purple Shadow is a little darker, much more muted than Wasteland Soil.
The same difference applies the other way round: Wasteland Soil is a little lighter, much more saturated.
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 Wasteland Soil on the colour wheel See Purple Shadow on the colour wheel
All matches: Wasteland Soil equivalents · Purple Shadow equivalents