Light Umber vs Cavalry Brown

How close are they?

ΔE 12.7, fair: the same colour family, but not a straight swap. Cavalry Brown is a little lighter, more saturated, cooler than Light Umber.

Can I use Cavalry Brown instead of Light Umber?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Cavalry Brown is a little lighter, more saturated, cooler than Light Umber.

Can I use Light Umber instead of Cavalry Brown?

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