Thermoformed food containers with colorfast high color density black pigment

A thermoformed disposable food container made from a black-pigmented, mineral-filled polypropylene sheet comprising from about 30 to about 80 percent by weight of a matrix polymer composition consisting predominantly of a polypropylene polymer and optionally including a polyethylene polymer, from about 10 to about 60 weight percent of a mineral filler, wherein said container is pigmented with a black colorant composition consisting essentially of a black iron oxide pigment and a green pigment, wherein said black iron oxide pigment is present in an amount of up to about 5 weight percent of said container.