title: Background color for Tk in Python
body: <p>I'm writing a slideshow program with Tkinter, but I don't know how to change the background color to black instead of the standard light gray. How can this be done?</p>
  
  <pre><code>import os, sys
  import Tkinter
  import Image, ImageTk
  import time
  
  root = Tkinter.Tk()
  w, h = root.winfo_screenwidth(), root.winfo_screenheight()
  root.overrideredirect(1)
  root.geometry("%dx%d+0+0" % (w, h))
  root.focus_set()
  root.bind("&lt;Escape&gt;", lambda e: e.widget.quit())
  image = Image.open(image_path+f)
  tkpi = ImageTk.PhotoImage(image)        
  label_image = Tkinter.Label(root, image=tkpi)
  label_image.place(x=0,y=0,width=w,height=h)
  root.mainloop(0)
  </code></pre>