Import wavefront OBJ with colors stored per vertex

I have found this amazing website ( http://cvl-demos.cs.nott.ac.uk/vrn/ ) that generates a 3D face from a picture. Only download option available is .OBJ with colors stored per vertex.

After importing it in Unreal 4.19 I get a grayish mesh as per attached pic.

Can someone walk me through how to import it so that it has also colors?