ΔE 5.9, very close: most people won’t see a difference side by side. Dark Brown RLM61 is a little lighter, more muted than Boot Brown.
Yes, for most jobs. Very close match (ΔE 6). Dark Brown RLM61 is a little lighter, more muted than Boot Brown.
The same difference applies the other way round: Boot Brown is a little darker, more saturated.
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 Brown RLM61 on the colour wheel
All matches: Boot Brown equivalents · Dark Brown RLM61 equivalents