ΔE 6.0, very close: most people won’t see a difference side by side. Raw Umber is more muted than Dark Boot Brown. They are different kinds of paint: Army Painter Dark Boot Brown is an opaque base/layer paint and Golden Raw 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 6). Raw Umber is more muted than Dark Boot Brown. They are different kinds of paint.
The same difference applies the other way round: Dark Boot Brown 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.
See Dark Boot Brown on the colour wheel See Raw Umber on the colour wheel
All matches: Dark Boot Brown equivalents · Raw Umber equivalents