Blister packaging, cover film and production method

A method for manufacturing a blister package, the method comprising:

• providing a plastic foil molding furnished with cavities;
• providing an opaque cover foil having at least one transparent region;
• a
• covering the plastic foil molding furnished with the cavities with the cover foil such that
• the at least one transparent region is arranged outside of the cavities,
• the plastic foil molding defines the front side of the blister package and the opaque cover foil defines the back side of the blister package;
• and
• providing a semi-transparent function layer to the blister package in a certain region, which is formed outside of the region of the cavities of the plastic foil molding and is arranged overlapping at least the transparent region of the opaque cover foil, wherein
• the semi-transparent function layer is constituted such that the blister package has in the transparent region of the opaque cover foil,
• upon viewing in incident light, a first, visually recognizable color and
• upon viewing in transmitted light, a second, visually recognizable color.