This video uses the same resource as the "ColorPicker" link atop each forum page:http://wellstyled.com/tools/colorscheme2/index-en.html
-Boom boom boom boom.
In reality, I still suggest using white background with black text the vast majority of the time...I was just giving an example in the video.
However, you can use the colors for things like your scrollbar, h1 text, links, etc.