The invention relates to a packaging comprising a plastic film shaped part and a cover film, wherein said plastic film shaped part defines the front side of the packaging and the cover film defines the rear side of the packaging, and the cover film is based on a carrier substrate provided with a semi-transparent functional layer, wherein the semi-transparent functional layer is designed such that the cover film has a first visually-perceptible colour when observed in reflected light, and a second visually-perceptible colour when observed in transmitted light.