To those looking to change the style of Notification Center, a new free jailbreak tweak dubbed GrayNC
by iOS developer Thomas Finch is now available.
GrayNC is very simple. It replaces the linen background style of Notification Center in iOS 6 with a transparent dark gray color, as shown above.
The effects of the tweak are very similar to BlurriedNCBackground
, but there is no blur effect added to Notification