"Show Another Fun Fact" color is not changing

  let colors = [
        UIColor(red: 90/255.0, green: 187/255.0, blue: 181/255.0, alpha: 1.0), //teal color
        UIColor(red: 222/255.0, green: 171/255.0, blue: 66/255.0, alpha: 1.0), //yellow color
        UIColor(red: 223/255.0, green: 86/255.0, blue: 94/255.0, alpha: 1.0), //red color
        UIColor(red: 239/255.0, green: 130/255.0, blue: 100/255.0, alpha: 1.0), //orange color
        UIColor(red: 77/255.0, green: 75/255.0, blue: 82/255.0, alpha: 1.0), //dark color
        UIColor(red: 105/255.0, green: 94/255.0, blue: 133/255.0, alpha: 1.0), //purple color
        UIColor(red: 85/255.0, green: 176/255.0, blue: 112/255.0, alpha: 1.0), // ERASE THIS COMMA //green color

       // Erase the last comma
    ]

(lldb) po funFactButton
<UILabel: 0x7f951be794b0; frame = (40 93; 118 22); text = 'Did you know?'; opaque = NO; autoresize = RM+BM; userInteractionEnabled = NO; layer = <_UILabelLayer: 0x7f951be796b0>>

(lldb) po factModel.getRandomFact()
"Ants stretch when they wake up in the morning."

(lldb) po funFactLabel
<UILabel: 0x7f951be77690; frame = (40 268; 520 64.5); text = 'Mammoths still walked the...'; opaque = NO; autoresize = RM+BM; userInteractionEnabled = NO; layer = <_UILabelLayer: 0x7f951be77c70>>

import UIKit
import GameKit

struct ColorModel{
    let colors = [
        UIColor(red: 90/255.0, green: 187/255.0, blue: 181/255.0, alpha: 1.0), //teal color
        UIColor(red: 222/255.0, green: 171/255.0, blue: 66/255.0, alpha: 1.0), //yellow color
        UIColor(red: 223/255.0, green: 86/255.0, blue: 94/255.0, alpha: 1.0), //red color
        UIColor(red: 239/255.0, green: 130/255.0, blue: 100/255.0, alpha: 1.0), //orange color
        UIColor(red: 77/255.0, green: 75/255.0, blue: 82/255.0, alpha: 1.0), //dark color
        UIColor(red: 105/255.0, green: 94/255.0, blue: 133/255.0, alpha: 1.0), //purple color
        UIColor(red: 85/255.0, green: 176/255.0, blue: 112/255.0, alpha: 1.0), //green color
    ]

    func getRandomColor() -> UIColor {
        let randomNumber = GKRandomSource.sharedRandom().nextIntWithUpperBound(colors.count)
        return colors[randomNumber]
    }
}

import GameKit

struct FactModel{
    let facts = [
    "Ants stretch when they wake up in the morning.",
    "Ostriches can run faster than horses.",
    "Olympic gold medals are actually made mostly of silver.",
    "You are born with 300 bones; by the time you are an adult you will have 206.",
    "It takes about 8 minutes for light from the Sun to reach Earth.",
    "Some bamboo plants can grow almost a meter in just one day.",
    "The state of Florida is bigger than England.",
    "Some penguins can leap 2-3 meters out of the water.",
    "On average, it takes 66 days to form a new habit.",
    "Mammoths still walked the Earth when the Great Pyramid was being built."]

    func getRandomFact() -> String {
        let randomNumber = GKRandomSource.sharedRandom().nextIntWithUpperBound(facts.count)
        return facts[randomNumber]
    }
}

import UIKit

class ViewController: UIViewController {

    @IBOutlet weak var funFactLabel: UILabel!
    @IBOutlet weak var funFactButton: UILabel!

    let factModel = FactModel()

    override func viewDidLoad() {
        super.viewDidLoad()
        funFactLabel.text = factModel.getRandomFact()
    }

    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }

    @IBAction func showFunFact() {
        let randomColor = ColorModel().getRandomColor()
        view.backgroundColor = randomColor
        funFactButton.tintColor = randomColor
        funFactLabel.text = factModel.getRandomFact()
    }
}