ΔE 4.6, very close: most people won’t see a difference side by side. Dark Shadow is a little darker, warmer than Boot Brown.
Yes, for most jobs. Very close match (ΔE 5). Dark Shadow is a little darker, warmer than Boot Brown.
The same difference applies the other way round: Boot Brown is a little lighter, 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.
See Boot Brown on the colour wheel See Dark Shadow on the colour wheel
All matches: Boot Brown equivalents · Dark Shadow equivalents