UIColor with Hex

UIColor+hex.swift

extension UIColor {
    convenience init(hex: UInt32) {
        var r: CGFloat = (CGFloat((hex & 0xFF0000) >> 16) / 255.0)
        var g: CGFloat = (CGFloat((hex & 0x00FF00) >>  8) / 255.0)
        var b: CGFloat = (CGFloat (hex & 0x0000FF)        / 255.0)
        self.init(red: r, green: g, blue: b, alpha: 1.0)
    }
}

let green  = UIColor(hex: 0x00A859)
let yellow = UIColor(hex: 0xFFCC29)
let blue   = UIColor(hex: 0x3E4095)