ΔE 3.9, very close: most people won’t see a difference side by side. IJA Earth Brown is a little darker, cooler than Dust Bowl.
Yes, for most jobs. Very close match (ΔE 4). IJA Earth Brown is a little darker, cooler than Dust Bowl.
The same difference applies the other way round: Dust Bowl 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 Dust Bowl on the colour wheel See IJA Earth Brown on the colour wheel
All matches: Dust Bowl equivalents · IJA Earth Brown equivalents