Factory Screw Up On Paint ????

On My 70 Duster, the paint code, on the fender tag, and on the window sticker, is L1. -- The actual color is (or like) W1. -- The paint appears to be original, under the car, all of the nooks, and crannies etc. -- Looks like Ma Mopar screwed up. -- Has anyone experienced this ?Duster - Paint Codes.JPG Duster - 1st Arrived - Outside - Left.JPG