Black
Older PS3 have came in other colors , but the PS3 slim is black. The Japan slim models have also been released in blue, white and pink. see related link
purple
Currently different colored PS3s are only available in Japan. It is not likely that there will ever be different colored PS3s sold outside of Japan. It is however possible to buy PS3 controllers of various colors.
Yes it is called "The Saboteur" and it's a PS3 and Xbox360 game.
Apart from white the other colours available for ps3 are as follows: red and blue seems to be the only other two colours that are available at the moment.
If you want to use the A/V cable that comes with the PS3 plug one end into the PS3 and the other end with the 3 RCA color coded plugs into any TV inputs with matching colors on the back of your TV. HDMI cables for HDTVs just have to be plugged into the HDTV and PS3.
Just buy the amazon PS3 dual shock 3 for $40 in an assortment of colors. A wired controller is not even original equipment for a PS3 and is just some cut rate off brand controller that you want to try to adapt to an old PS2 controller.
Sony makes fitted plastic/vinyl PS3 covers in many different colors.
Sonic the Hedgehog 4(Arcade game for WII and PS3 and XBOX360) and Sonic Colors(WII ONLY!)
On a ps3 it means that there may be an issue with an internal part within the ps3 system. This may be caused by a variety of reasons and would need to be diagnosed at a playstation.com's service center. Look in the related links for the link to their website.
Only in black in the USA Japan has had other colors and also have a white red and blue varieties and in the past have had white grey blue silver and pink models
Some models were released in colors at different times, most of them will not work in the USA and many were for Fat PS3s so the housing will not fit the newest models. Some released colors are FAT PS3 Piano Black, Black trim, Piano Black, Chrome trim, Ceramic White, Satin Silver, Gun-Metal Grey, Gun-Metal Grey trim, Cloud Black, Slim PS3 Charcoal Black, White and Pink, Classic White, Titanium Blue, Splash Blue, and Scarlet Red in release order with the last two colors unconfirmed. Instead of looking for a color for a unique PS3, it is said that the PS3 will release 3 different sized harddrives in Super Slim models with up to a 500 GB harddrive for the 2012 Holiday season.