Hookers Green Hue vs Black Green

How close are they?

ΔE 7.7, close: similar, with a visible difference side by side. Black Green is a little lighter than Hookers Green Hue.

Can I use Black Green instead of Hookers Green Hue?

Usually, if you are not matching paint already on the model. Close match (ΔE 8). Black Green is a little lighter than Hookers Green Hue.

Can I use Hookers Green Hue instead of Black Green?

The same difference applies the other way round: Hookers Green Hue is a little darker.

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.