Davis is a colorful place:

Blue
HTML: #0000FF
Green
HTML: #00FF00
Yellow
HTML: #FFFF00
Gold
HTML: #FFCC00
Orange
HTML: #FF9900
Red
HTML: #FF0000
Pink
HTML: #FFCCCC
White
HTML: #FFFFFF
Silver
HTML: #CCCCCC
Black
HTML: #000000

And yes, black and white are both colors, technically and practically. Clear, however, is not. Nearly all colors are mixes of other colors, either light or pigment or a combination of both.

Many businesses and organizations have official colors they use. UC Davis publishes theirs on their website.

see also Help with Colors