What is the default TableView section header background color on the iPhone?

For Change background Color of TableView Header Section Just One Line stuff add TableView delegate willDisplayHeaderView:

- (void)tableView:(UITableView *)tableView willDisplayHeaderView:(UIView *)view forSection:(NSInteger)section {

   UITableViewHeaderFooterView *header = (UITableViewHeaderFooterView *)view;
   **header.tintColor = [UIColor whiteColor];**

}

Objective-C:

[UIColor colorWithRed:232/255.0f green:233/255.0f blue:237/255.0f alpha:1.0f]

Swift:

UIColor(red: 232/255, green: 233/255, blue: 237/255, alpha: 1)

The default tableview section header background color for ios7 is

Objective-C
[UIColor colorWithRed:247/255.0f green:247/255.0f blue:247/255.0f alpha:1.0f]

Swift
UIColor(red: 247/255, green: 247/255, blue: 247/255, alpha: 1)