Burnt Umber Light vs English Uniform

How close are they?

ΔE 15.3, loose: different enough that you should pick on purpose. English Uniform is a little lighter, cooler than Burnt Umber Light.

Can I use English Uniform instead of Burnt Umber Light?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 15). English Uniform is a little lighter, cooler than Burnt Umber Light.

Can I use Burnt Umber Light instead of English Uniform?

The same difference applies the other way round: Burnt Umber Light is a little darker, warmer.

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.