spinball colores

from tkinter import *

window = Tk()

window.title("Capta letrero")

window.geometry('500x250')
li=[];
def clicked():

   print(var.get())
   l=var.get()
   li.append(l)
   print(li)
 
 
def clicked2():

   print(var.get())
   l=var.get()
   li.append(l)
   print(li)

 
def clicked3():

   print(var.get())
   l=var.get()
   li.append(l)
   print(li)
 
var =IntVar()
var.set(2)

spin = Spinbox(window, values=(1, 2),fg="white",bg="red", width=5, textvariable=var)
spin.grid(column=0,row=0)
spin = Spinbox(window, values=(1, 2),fg="white",bg="green", width=5, textvariable=var)
spin.grid(column=2,row=0)
spin = Spinbox(window, values=(1, 2),fg="white",bg="blue", width=5, textvariable=var)
spin.grid(column=4,row=0)

btn = Button(window,fg="red", text="Valor aceptado", command=clicked)
btn.grid(column=1, row=0)
btn = Button(window, fg="green",text="Valor aceptado", command=clicked2)
btn.grid(column=3, row=0)
btn = Button(window, fg="blue",text="Valor aceptado", command=clicked3)
btn.grid(column=5, row=0)
window.mainloop()