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.
Dark orange can mean deceit and lack of confidence. Red-orange corresponds to desire, sexual passion, pleasure, domination, aggression and a need for something to happen. Golden orange gives the feeling of prestige. The meaning of the color gold is wealth and wisdom and it often symbolizes something of high quality.