Burnt Umber Light vs Flat Brown

How close are they?

ΔE 11.0, fair: the same colour family, but not a straight swap. Flat Brown is more muted, cooler than Burnt Umber Light.

Can I use Flat Brown instead of Burnt Umber Light?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Flat Brown is more muted, cooler than Burnt Umber Light.

Can I use Burnt Umber Light instead of Flat Brown?

The same difference applies the other way round: Burnt Umber Light is more saturated, 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.