ΔE 13.9, fair: the same colour family, but not a straight swap. Cobalt Violet Hue is a little darker, much more saturated than Wasteland Soil.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Cobalt Violet Hue is a little darker, much more saturated than Wasteland Soil.
The same difference applies the other way round: Wasteland Soil is a little lighter, much more muted.
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 Cobalt Violet Hue on the colour wheel
All matches: Wasteland Soil equivalents · Cobalt Violet Hue equivalents