Light Imperial Khaki vs Zombie Rot

How close are they?

ΔE 9.8, close: similar, with a visible difference side by side. Zombie Rot is a little lighter, more saturated than Light Imperial Khaki.

Can I use Zombie Rot instead of Light Imperial Khaki?

Usually, if you are not matching paint already on the model. Close match (ΔE 10). Zombie Rot is a little lighter, more saturated than Light Imperial Khaki.

Can I use Light Imperial Khaki instead of Zombie Rot?

The same difference applies the other way round: Light Imperial Khaki is a little darker, more muted.

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.