Night Scales vs Rainbow Roll

How close are they?

ΔE 7.8, close: similar, with a visible difference side by side. Rainbow Roll is a little darker than Night Scales.

Can I use Rainbow Roll instead of Night Scales?

Usually, if you are not matching paint already on the model. Close match (ΔE 8). Rainbow Roll is a little darker than Night Scales.

Can I use Night Scales instead of Rainbow Roll?

The same difference applies the other way round: Night Scales is a little lighter.

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.