iOS 7
- (void)tableView:(UITableView *)tableView willDisplayCell:(UITableViewCell *)cell forRowAtIndexPath:(NSIndexPath *)indexPath
{
[cell setBackgroundColor:[UIColor colorWithRed:(221.0/255.0) green:(221.0/255.0) blue:(221.0/255.0) alpha:1.0]];
}
iOS 7, cellForRowAtIndexPath,
[cell setBackgroundColor:[UIColor colorWithRed:(221.0/255.0) green:(221.0/255.0) blue:(221.0/255.0) alpha:1.0]]