Wrong again.
It used to be black. Hence the name
Actually,
http://www.answers.com/mt/black-boxThe Flight Data Recorder (FDR) and Cockpit Voice Recorder (CVR), also known as the "black box", have always been orange. They are called 'black' boxes because they were sealed and nobody knew exactly what was in them until they were opened after an accident.
The FDR and CVR are coated in a fire resistant bright orange paint to stand out in contrast to the remainder of the crash scene, thereby assisting crash investigators in locating the black boxes.