Bug to confirm: Text color picker: can't pick on Firefox 7

Selecting the color for text using the color picker doesn’t work in FF7 for this Window, “more colors>picker”:

https://img.skitch.com/20111031-bagjm6rbw749unf4egw9mhh9mm.jpg

I deactivated all my plugins. Works fine in Chrome and Safari.

If someone confirms, I’ll add it to the Trac, where I didn’t find anything for it.