ΔE 7.0, close: similar, with a visible difference side by side. Inktense Wood is more saturated, warmer than Umberroot. They are different kinds of paint: Army Painter Umberroot is an opaque base/layer paint and Scale75 Inktense Wood is an ink, glaze or transparent 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). Inktense Wood is more saturated, warmer than Umberroot. They are different kinds of paint.
The same difference applies the other way round: Umberroot is more muted, cooler.
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 Umberroot on the colour wheel See Inktense Wood on the colour wheel
All matches: Umberroot equivalents · Inktense Wood equivalents