Or that may be Personalization, not sure about the differences between US English and UK English
Right click the Desktop, select Personalise. In the new window click "Windows Color and Appearance". In the new page, click "Open classic appearance properties for more color options". In the new dialog window, click "Advanced", then you can select what you want to change from the pull down box.
I changed my theme to a solid background and now my icon texts are white. I've followed all the other suggestions like right clicking on the desktop and changing dpi, etc, but I want black text so I can read the icons again! Does Win 7 have an XP type of personalization hidden somewhere? That would really be nice!