Why does the color white in Photoshop CS2 9.0 look like a cream color?? Even the color #ffffff looks like a cream color. And I can’t get a true light gray either. I have discuss this with my friend who is working with a reputed

web site design company (http://www.webdesigningcompany.net)

, he also getting confuse with this problem.
Some one helps me.
Thanks in advance.