from tkinter import *
# import math - uncomment if required
root = Tk()
root.geometry("400x400+0+0")

#---------Backgroud of the main canvas-----

backgroundCanvas = Canvas(root,bg = '#c3fc5a', width = 400, height = 400)
backgroundCanvas.pack()

#--------------------Variables---------------------

colour_support = ["red","green","blue"]
rgb_conversion = [[255,0,0],[0,255,0],[0,0,255]]
current_colour = [0,0,0]

#-----------------Main Functions-------------------

def dyn_Sliders():
    for x in range(len(colour_support)):
        #exec('global colour_support[x]_slider; colour_support[x]+_slider = Scale(backgroundCanvas, from_=0, to=255,command = lambda x: refreshCol(str("colour_support[x]"),colour_support[x]_slider.get()))')
        exec('global '+colour_support[x]+'_slider; '+colour_support[x]+'_slider = Scale(backgroundCanvas, from_ = 0, to = 255,command = lambda x: refreshCol("'+str(colour_support[x])+'", '+colour_support[x]+'_slider.get()))')
        exec(colour_support[x] + '_slider.place(x=50*x,y=50)')
        #exec(colour_support[x] +'_slider.configure(command=lambda x: refreshCol(str("'+colour_support[x]+'"),str('+colour_support[x]+'_slider.get())))')

#---------------Additional--Functions--------------

def refreshCol(selectedColour, valueChange):
    print(valueChange)
    current_colour[colour_support.index(selectedColour)] = int(valueChange)
    print(current_colour)

def printHex():
    print('#'+(str(hex(current_colour[0]).split('x')[-1].upper()).zfill(2))+(str(hex(current_colour[1]).split('x')[-1].upper()).zfill(2))+(str(hex(current_colour[2]).split('x')[-1].upper()).zfill(2)))

#--------The other widgets inside the canvas--------

dyn_Sliders()
hexButton = Button(backgroundCanvas,text='Print hex value',command = printHex)
hexButton.place(x=10,y=200)

#-------------------Start the GUI----------------------

root.title="Mansell's HOMEMADE RGB Sliders"
root.mainloop()