Change button background color using swift language

Question

I am new to the swift language. Can someone tell me how to change the background color of a button using the swift language?

Answer 1

Swift 3

Color With RGB

btnLogin.backgroundColor = UIColor.init(colorLiteralRed: (100/255), green: (150/255), blue: (200/255), alpha: 1)

Using Native color

btnLogin.backgroundColor = UIColor.darkGray