Summer Soil vs Zandri Dust

How close are they?

ΔE 6.6, close: similar, with a visible difference side by side. Zandri Dust is more muted than Summer Soil.

Can I use Zandri Dust instead of Summer Soil?

Usually, if you are not matching paint already on the model. Close match (ΔE 7). Zandri Dust is more muted than Summer Soil.

Can I use Summer Soil instead of Zandri Dust?

The same difference applies the other way round: Summer Soil is 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.