UIColor Extension to Initialize from HEX Color Values

UIColorFromHex.swift

//
//  UIColor Extension.swift
//  Uses Swift 2.0
//
//  Created by Ryan Collins on 9/22/15.
//
//

import Foundation
import UIKit

extension UIColor {
    convenience init(fromHex: String) {
        
        var hexDigits = Array(fromHex.characters)
        
        if (hexDigits[0] == "#") {
            hexDigits.removeFirst()
        }
        
        let red = "\(hexDigits[0])\(hexDigits[1])"
        let green = "\(hexDigits[2])\(hexDigits[3])"
        let blue = "\(hexDigits[4])\(hexDigits[5])"
        
        let rVal: CGFloat = CGFloat(Int(UInt(red, radix: 16)!))
        let gVal: CGFloat = CGFloat(Int(UInt(green, radix: 16)!))
        let bVal: CGFloat = CGFloat(Int(UInt(blue, radix: 16)!))
        
        self.init(red: rVal/255, green: gVal/255, blue: bVal/255, alpha: 1.0)
    }
}