ΔE 17.0, loose: different enough that you should pick on purpose. Phoenician Purple is a little darker, cooler than Wasteland Soil.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 17). Phoenician Purple is a little darker, cooler than Wasteland Soil.
The same difference applies the other way round: Wasteland Soil is a little lighter, 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 Wasteland Soil on the colour wheel See Phoenician Purple on the colour wheel
All matches: Wasteland Soil equivalents · Phoenician Purple equivalents