Chaotic Red vs Flat Brown

How close are they?

ΔE 5.4, very close: most people won’t see a difference side by side. Flat Brown is more saturated, warmer than Chaotic Red.

Can I use Flat Brown instead of Chaotic Red?

Yes, for most jobs. Very close match (ΔE 5). Flat Brown is more saturated, warmer than Chaotic Red.

Can I use Chaotic Red instead of Flat Brown?

The same difference applies the other way round: Chaotic Red is 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.