Here are a few thoughts, as I've studied this issue for many years. In fact I have a presentation I give on this subject as part of the ACM distinguished lecturer program and the IEEE Computer Society's distinguished visitor program. 1) There actually have been academic programs called computer science engineering, but the name never caught on.
The color black represents strength, seriousness, power, and authority. Black is a formal, elegant, and prestigious color. Authoritative and powerful, the color black can evoke strong emotions and too much black can be overwhelming. In heraldry, black is the symbol of grief.
Color of law refers to an appearance of legal power to act but which may operate in violation of law. For example, though a police officer acts with the color of law authority to arrest someone, if such an arrest is made without probable cause the arrest may actually be in violation of law.