How to get code of color selected in Background in Xcode?

Question

How can I get code or anything about selected color to set it anywhere programmatically?

I'd like to get background-color information

Answer 1

Get background color from UI object:

let color = label.backgroundColor

---

Set background color for UI object:

// green color for example
let color = UIColor(red: 0.0, green: 1.0, blue: 0.0, alpha 1.0)

label.backgroundColor = color

---

Get red, green, blue and alpha values from UIColor:

let color = label.backgroundColor

var red = CGFloat()    
var green = CGFloat()
var blue = CGFloat()
var alpha = CGFloat()

color!.getRed(&red, green: &green, blue: &blue, alpha: &alpha)