ΔE 5.7, very close: most people won’t see a difference side by side. Chestnut Brown is a little darker, cooler than Red Brown 2.
Yes, for most jobs. Very close match (ΔE 6). Chestnut Brown is a little darker, cooler than Red Brown 2.
The same difference applies the other way round: Red Brown 2 is a little lighter, 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.
See Red Brown 2 on the colour wheel See Chestnut Brown on the colour wheel
All matches: Red Brown 2 equivalents · Chestnut Brown equivalents