UIColor+LiteralConvertible.swift

import UIKit

extension UIColor: IntegerLiteralConvertible {
    class func convertFromIntegerLiteral(value: IntegerLiteralType) -> UIColor {
        let r = Double((value >> 16) & 0xFF) / 255;
        let g = Double((value >> 8) & 0xFF) / 255;
        let b = Double((value) & 0xFF) / 255;
        
        return UIColor(red:r, green:g, blue:b, alpha:1.0)
    }
}

let white: UIColor = 0xFFFFFF
let blue: UIColor = 0x0000ff
let geniusOrange: UIColor = 0xFFC31C