How do I get the default color palette back in Photoshop?


So for some reason, totally unknown to me, I now have a very annoying color picker setup in Photoshop. At the moment, whenever I change the colour in the right-hand color selector (which updates the main selector area) the colors available in that right hand area totally change. Very annoying, and very difficult to get a color you want. See screenshot below of my current color picker:

*(attempted image post. However, image is behind an Amazon S3 user log in and will not show here.)*

The default one worked very well for me, and I want it back. How?

12/23/2012 8:36:00 PM

Selecting the 'H' radio button fixes it, previously it was set to 'R' which is selecting from the 'Red' spectrum, I guess.

11/23/2012 5:18:00 PM