Chotec Orange vs Gory Red

How close are they?

ΔE 7.8, close: similar, with a visible difference side by side. Gory Red is a little lighter, more saturated than Chotec Orange.

Can I use Gory Red instead of Chotec Orange?

Usually, if you are not matching paint already on the model. Close match (ΔE 8). Gory Red is a little lighter, more saturated than Chotec Orange.

Can I use Chotec Orange instead of Gory Red?

The same difference applies the other way round: Chotec Orange 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.