try:  # Python2
    import Tkinter as tk
except ImportError:  # Python3
    import tkinter as tk

import sys


COLORS = [
    ("#BEBEBE", "grey", "TclTk",),
    ("#BEBEBE", "gray", "TclTk",),
    ("#808080", "gray", "HTML",),
    ("#00FF00", "green", "TclTk",),
    ("#008000", "green", "HTML",),
    ("#A020F0", "purple", "TclTk",),
    ("#800080", "purple", "HTML",),
    ("#B03060", "maroon", "TclTk",),
    ("#800000", "maroon", "HTML",),
]

root = tk.Tk()
root.title(sys.version)
font = "Helvetica 16 normal"

col = 0
row = 0
label = tk.Label(root, text="Tkinter name", font=font)
label.grid(row=row, column=col, sticky='ew')
row += 1
label = tk.Label(root, text="RGB value", font=font)
label.grid(row=row, column=col, sticky='ew')
row += 1
label = tk.Label(root, text="RGB source", font=font)
label.grid(row=row, column=col, sticky='ew')
row += 1
col += 1

for (RGB_color, named_color, source) in COLORS:
    row = 0
    label = tk.Label(root, text=named_color, background=named_color, font=font)
    label.grid(row=row, column=col, sticky='ew')
    row += 1
    label = tk.Label(root, text=RGB_color, background=RGB_color, font=font)
    label.grid(row=row, column=col, sticky='ew')
    row += 1
    label = tk.Label(root, text=source, font=font)
    label.grid(row=row, column=col, sticky='ew')
    row += 1
    col += 1

root.mainloop()