Candy Lime Green vs Metallic Green

How close are they?

ΔE 9.1, close: similar, with a visible difference side by side. Metallic Green is a little darker than Candy Lime Green.

Can I use Metallic Green instead of Candy Lime Green?

Usually, if you are not matching paint already on the model. Close match (ΔE 9). Metallic Green is a little darker than Candy Lime Green.

Can I use Candy Lime Green instead of Metallic Green?

The same difference applies the other way round: Candy Lime Green 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.