Wasteland Soil vs Glistening Gums

How close are they?

ΔE 17.6, loose: different enough that you should pick on purpose. Glistening Gums is noticeably lighter, more muted, cooler than Wasteland Soil.

Can I use Glistening Gums instead of Wasteland Soil?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 18). Glistening Gums is noticeably lighter, more muted, cooler than Wasteland Soil.

Can I use Wasteland Soil instead of Glistening Gums?

The same difference applies the other way round: Wasteland Soil is noticeably darker, 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.