Okay, okay, I admit it. I've never read all the Lord of the Rings books. I read the Hobbit (twice) and am now about halfway though Fellowship of the Ring (I actually started it a year ago and got distracted by another book, then went on a non fiction kick before only recently picking it up again).
Something that I am curious about and hope that someone can enlighten me on is, what do the color designations mean for wizards? Gandalf the Grey (what does "The Grey" mean?) and then there was Saruman the White. I am to the point in the book where he's telling Gandalf (in Gandalf's recollection to the Council of Elrond) that he's no longer the white but instead Saruman of many colors and Gandalf is explaining the virtues of "The White". Then there is Radagast the Brown.
It seems to me these colors mean something. I would be grateful for an explanation. Thanks!