ΔE 17.3, loose: different enough that you should pick on purpose. Van Dyke Brown Hue is a little darker, more muted, warmer than Umberroot.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 17). Van Dyke Brown Hue is a little darker, more muted, warmer than Umberroot.
The same difference applies the other way round: Umberroot is a little lighter, more saturated, 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 Van Dyke Brown Hue on the colour wheel
All matches: Umberroot equivalents · Van Dyke Brown Hue equivalents