British Camo Green vs Fallen Grass

How close are they?

ΔE 15.4, loose: different enough that you should pick on purpose. Fallen Grass is a little darker, more muted, cooler than British Camo Green.

Can I use Fallen Grass instead of British Camo Green?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 15). Fallen Grass is a little darker, more muted, cooler than British Camo Green.

Can I use British Camo Green instead of Fallen Grass?

The same difference applies the other way round: British Camo Green is a little lighter, more saturated, 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.