ΔE 7.6, close: similar, with a visible difference side by side. Baneblade Brown is more saturated than Matt Grime. They are different kinds of paint: AMMO by Mig Matt Grime is an ink, glaze or transparent paint and Citadel Baneblade Brown 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 8). Baneblade Brown is more saturated than Matt Grime. They are different kinds of paint.
The same difference applies the other way round: Matt Grime is 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 Matt Grime on the colour wheel See Baneblade Brown on the colour wheel
All matches: Matt Grime equivalents · Baneblade Brown equivalents