try:
	import Tkinter as Tk
except ImportError:
	import tkinter as Tk

from idlelib.WidgetRedirector import WidgetRedirector

root = Tk.Tk()
text = Tk.Text(root)
redr = WidgetRedirector(text)
color = "black" # whatever you want
text.config(
    foreground=color,
    background=color,
    insertbackground=color,
    selectforeground=color,
    selectbackground=color,
)
text.pack()
redr.close()
root.mainloop()