WWI German Grey-Green Primer vs Ghost Green

How close are they?

ΔE 14.1, fair: the same colour family, but not a straight swap. Ghost Green is a little lighter, more saturated, cooler than WWI German Grey-Green Primer.

Can I use Ghost Green instead of WWI German Grey-Green Primer?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Ghost Green is a little lighter, more saturated, cooler than WWI German Grey-Green Primer.

Can I use WWI German Grey-Green Primer instead of Ghost Green?

The same difference applies the other way round: WWI German Grey-Green Primer is a little darker, more muted, 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.