Yes, true magick has no color. Its just use of the casters intent. You should read up on some articles here on the site. And ask around on the forums. You can google magick. Wicca is a good path to learn. There are all types of paths and magick. :)
Magic has no color, it's the people who use it for a certain thing that gives it the meaning. Read books, depends on what kind you are. Wkccan? Scott Cunningham, Gardner, Doreen valenen, anyone. Pagan? Well use witcgvox, neo-pagan.net, use articles.
First start out learning what magic is, there is no color. It's in,y e person intentions.