how to change text colour of a button in tkinter code example

Example: change color of butto in thkinter

button = Button(tkWindow, bg='blue')
button = Button(tkWindow, bg='black')
button = Button(tkWindow, bg='white')
button = Button(tkWindow, bg='red')
#hex values
button = Button(tkWindow, bg='#54FA9B')
button = Button(tkWindow, bg='#A877BA')