private void GUI()
{
    JFrame frame = new JFrame();
    frame.setLayout(new MigLayout());

    try
    {
        mapImg = ImageIO.read(new File("Res/Zipzone map of the US.png"));
    }
    catch (IOException e)
    {
        e.printStackTrace();
    }
    g = mapImg.createGraphics();

    for(int i = 311; i < 1001; i++)
    {
        Random rand = new Random();
        String count = "";
        int red = rand.nextInt(220) + 25;
        int green = rand.nextInt(220) + 25;
        int blue = rand.nextInt(220) + 25;
        if(i < 100)
        {
            count = "0" + i;
        }
        else
        {
            count = i + "";
        }
        if(i <= 512)
        {
            ApplyColor(count, new Color(red, blue, green));
        }
        else if( i > 909)
        {
            ApplyColor3(count, new Color(red, blue, green));
        }
        else
        {
            ApplyColor2(count, new Color(red, blue, green));
        }
    }

    frame.add(new JLabel("", new ImageIcon(GetScaledImage(new ImageIcon(mapImg).getImage(), 1400, 875)), JLabel.CENTER), "GROW, PUSH");
    frame.setTitle("US Map");
    frame.setSize(1500,900);
    frame.setLocationRelativeTo(null);
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setVisible(true);
}

private void ApplyColor(String zip, Color color)
{
    int x;
    int y;
    if(zip.equals("010"))
    {
        try
        {
            x = 3339;
            y = 672;
            FloodFill(x, y, new Color(mapImg.getRGB(x, y)), color);
            x = 3361;
            y = 681;
            FloodFill(x, y, new Color(mapImg.getRGB(x, y)), color);
        }
        catch(AWTException e)
        {
            e.printStackTrace();
        }
    }
}

public void FloodFill(int x, int y, Color targetColor, Color replacementColor) throws AWTException
{
    if(new Color(mapImg.getRGB(x, y)).equals(replacementColor))
    {
        return;
    }

    g.setColor(replacementColor);
    g.fillRect(x, y, 1, 1);

    if(new Color(mapImg.getRGB(x-1, y)).equals(targetColor))
    {
        FloodFill(x-1, y, targetColor, replacementColor);
    }

    if(new Color(mapImg.getRGB(x+1, y)).equals(targetColor))
    {
        FloodFill(x+1, y, targetColor, replacementColor);
    }

    if(new Color(mapImg.getRGB(x, y-1)).equals(targetColor))
    {
        FloodFill(x, y-1, targetColor, replacementColor);
    }

    if(new Color(mapImg.getRGB(x, y+1)).equals(targetColor))
    {
        FloodFill(x, y+1, targetColor, replacementColor);
    }
}