The similar Star Wars cover (from swonvideo.com), was this:-
http://www.swonvideo.com/vhs/imageslarge/vvhsesb1984usfront.jpg
http://www.swonvideo.com/vhs/imageslarge/vvhsrotj1984usfront.jpg
it’s fairly colourful, though I do remember a lot of vhs covers being quite plain - or washed out - likely to have been rentals or on cheap paper maybe?