ΔE 6.7, close: similar, with a visible difference side by side. Brown Sand is more muted than Agrellan Badland. They are different kinds of paint: Citadel Agrellan Badland is a technical paint or medium and Vallejo Brown Sand is an opaque base/layer paint, so they won’t behave the same on the model even where the colour is close.
Usually, if you are not matching paint already on the model. Close match (ΔE 7). Brown Sand is more muted than Agrellan Badland. They are different kinds of paint.
The same difference applies the other way round: Agrellan Badland is more saturated.
ΔE is the colour difference between our two swatch estimates: under 2 is a perfect match (you’d struggle to tell them apart), under 6 very close, under 10 close, under 15 fair, under 20 loose, under 30 very loose, and 30 or more a poor match. Real paints also differ in finish, coverage and how they thin, so test before you commit.
See Agrellan Badland on the colour wheel See Brown Sand on the colour wheel
All matches: Agrellan Badland equivalents · Brown Sand equivalents