Stone Grey vs AMT-1 Lt. Grey. Brown

How close are they?

ΔE 9.8, close: similar, with a visible difference side by side. AMT-1 Lt. Grey. Brown is a little lighter than Stone Grey.

Can I use AMT-1 Lt. Grey. Brown instead of Stone Grey?

Usually, if you are not matching paint already on the model. Close match (ΔE 10). AMT-1 Lt. Grey. Brown is a little lighter than Stone Grey.

Can I use Stone Grey instead of AMT-1 Lt. Grey. Brown?

The same difference applies the other way round: Stone Grey 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.