Mid DAK Green vs Uniform Brown

How close are they?

ΔE 17.0, loose: different enough that you should pick on purpose. Uniform Brown is a little darker, more saturated, warmer than Mid DAK Green.

Can I use Uniform Brown instead of Mid DAK Green?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 17). Uniform Brown is a little darker, more saturated, warmer than Mid DAK Green.

Can I use Mid DAK Green instead of Uniform Brown?

The same difference applies the other way round: Mid DAK Green is a little lighter, 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.