UITableView - change section header color

Question

How can I change color of a section header in UITableView?

EDIT: The answer provided by DJ-S should be considered for iOS 6 and above. The accepted

Answer 1

In my case, It worked like this:

let headerIdentifier = "HeaderIdentifier"
let header = self.tableView.dequeueReusableHeaderFooterView(withIdentifier: headerIdentifier)
header.contentView.backgroundColor = UIColor.white