set your view's backgroundColor by override func setHighlighted(highlighted: Bool, animated: Bool)and func setSelected(selected: Bool, animated: Bool)like this:
class Cell: UITableViewCell {
var redView :UIView!
var yellowView :UIView!
override init(style: UITableViewCellStyle, reuseIdentifier: String?) {
    super.init(style: style, reuseIdentifier: reuseIdentifier)
    redView = UIView()
    redView.frame = CGRect(x: 0, y: 10, width: 100, height: 20)
    self.contentView.addSubview(redView)
    yellowView = UIView()
    yellowView.frame = CGRect(x: 200, y: 10, width: 100, height: 20)
    self.contentView.addSubview(yellowView)
    redView.backgroundColor = UIColor.redColor()
    yellowView.backgroundColor = UIColor.yellowColor()
}
required init?(coder aDecoder: NSCoder) {
    fatalError("init(coder:) has not been implemented")
}
override func setSelected(selected: Bool, animated: Bool) {
    super.setSelected(selected, animated: animated)
    redView.backgroundColor = UIColor.redColor()
    yellowView.backgroundColor = UIColor.yellowColor()
}
override func setHighlighted(highlighted: Bool, animated: Bool) {
    super.setHighlighted(highlighted, animated: animated)
    redView.backgroundColor = UIColor.redColor()
    yellowView.backgroundColor = UIColor.yellowColor()
}
}