How do I tell how many AntiPoints I have?

And what does each of the colours mean? :confused:

You'll find all the answers in the FAQ.

After you log in, there's a link on the right side of the page that says ANTIPOINT CENTER.
If you hold your mouse over you antipoints, you'll notice a status message at the bottom of your web browser. Alternatively, you can click on you antipoint(s) under your name and a pop-up box will tell you. At the moment, your status says:

flamecruiser has only a few negative points.

after you log in on the front page, on the left side of the screen it will tell you how any antipoints you have.

I know already. Thx.