British Uniform Lights vs Dark Mustard Khaki

How close are they?

ΔE 11.8, fair: the same colour family, but not a straight swap. Dark Mustard Khaki is a little darker, more muted, cooler than British Uniform Lights.

Can I use Dark Mustard Khaki instead of British Uniform Lights?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Dark Mustard Khaki is a little darker, more muted, cooler than British Uniform Lights.

Can I use British Uniform Lights instead of Dark Mustard Khaki?

The same difference applies the other way round: British Uniform Lights 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.