show color channel of original image mouse click

import numpy as np

import cv2



def click_event(event, x, y, flags, param):

    if event == cv2.EVENT_LBUTTONDOWN:

        blue = img[x, y, 0]

        green = img[x, y, 1]

        red = img[x, y, 2]

        cv2.circle(img, (x,y), 3, (0, 0, 255), -1)

        mycolorImage = np.zeros((512, 512, 3), np.uint8)

        mycolorImage[:]=[blue, green, red]

        cv2.imshow('color', mycolorImage)



img = cv2.imread('lena.jpg')

cv2.imshow('image', img)

points = []

cv2.setMouseCallback('image', click_event)



cv2.waitKey(0)

cv2.destroyAllWindows()