freerunnering, because it might be changed by UIKit, for example, if a view is in UITableViewCell, and when that cell gets selected - UIKit will set all that's cell subviews' background color to cell selected color.
freerunnering, because it might be changed by UIKit, for example, if a view is in UITableViewCell, and when that cell gets selected - UIKit will set all that's cell subviews' background color to cell selected color.