PYTHON

python tkinter button color

def fade(widget, smoothness=4, cnf={}, **kw):
    """This function will show faded effect on widget's different color options.

    Args:
        widget (tk.Widget): Passed by the bind function.
        smoothness (int): Set the smoothness of the fading (1-10).
        background (str): Fade background color to.
        foreground (str): Fade foreground color to."""

    kw = tk._cnfmerge((cnf, kw))
    if not kw: raise ValueError("No option given, -bg, -fg, etc")
    if len(kw)>1: return [fade(widget,smoothness,{k:v}) for k,v in kw.items()][0]
    if not getattr(widget, '_after_ids', None): widget._after_ids = {}
    widget.after_cancel(widget._after_ids.get(list(kw)[0], ' '))
    c1 = tuple(map(lambda a: a/(65535), widget.winfo_rgb(widget[list(kw)[0]])))
    c2 = tuple(map(lambda a: a/(65535), widget.winfo_rgb(list(kw.values())[0])))
    colors = tuple(colour.rgb2hex(c, force_long=True)
                   for c in colour.color_scale(c1, c2, max(1, smoothness*100)))

    def worker(count=0):
        if len(colors)-1 <= count: return
        widget.config({list(kw)[0] : colors[count]})
        widget._after_ids.update( { list(kw)[0]: widget.after(
            max(1, int(smoothness/10)), worker, count+1) } )
    worker()
#source: https://stackoverflow.com/questions/49433315/is-there-a-wayor-a-library-for-making-a-smooth-colour-transition-in-tkinter

how to change the color of a button in python tkinter

from tkinter import * 
import time
import random

Main_screen = Tk()
Main_screen.title("Log in screen")#setting the title of the log in screen
Main_screen.geometry("700x300")# setting the defalt size of the log in screen

Label(Main_screen,text="Welcome To Empire of programmers login system",font=("Bold", 20)).pack()

Label(Main_screen,text="User Name:- ").pack()
User_name = Entry(Main_screen)#Making the entry box for getting the User name for log in
User_name.pack()

Label(Main_screen,text="Password:- ").pack()
User_name = Entry(Main_screen,show="#")#Making the entry box for getting the User Password for log in and insted of showing the Entry password showing it with an #
User_name.pack()

Button(Main_screen,text="Log in", bg="light blue").pack()

Main_screen.mainloop()

gui button in tkinter color

import Image as PIL
import ImageTk