I figured out all these RGB codes the first time I played with XF default style, and have used this as a reference when I was tweaking the colors of our XF website, and found it very useful so I thought that I might share this with everyone.
P.S. Please ignore the "download now" file. It is the same image you're seeing here.
P.S. Please ignore the "download now" file. It is the same image you're seeing here.