ΔE 5.3, very close: most people won’t see a difference side by side. Burnt Umber is more saturated than Tree Ancient. They are different kinds of paint: Army Painter Tree Ancient is an opaque base/layer paint and Golden Burnt Umber is an ink, glaze or transparent paint, so they won’t behave the same on the model even where the colour is close.
Yes, for most jobs. Very close match (ΔE 5). Burnt Umber is more saturated than Tree Ancient. They are different kinds of paint.
The same difference applies the other way round: Tree Ancient 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 Tree Ancient on the colour wheel See Burnt Umber on the colour wheel
All matches: Tree Ancient equivalents · Burnt Umber equivalents