import numpy as np
import cv2

def hsv():
    blue = np.uint8([[[255,0,0]]])
    green = np.uint8([[[0,255,0]]])
    red = np.uint8([[[0,0,255]]])

    hsv_blue = cv2.cvtColor(blue, cv2.COLOR_BGR2HSV)
    hsv_green = cv2.cvtColor(green, cv2.COLOR_BGR2HSV)
    hsv_red = cv2.cvtColor(red, cv2.COLOR_BGR2HSV)

    print('HSV for BLUE : ', hsv_blue)
    print('HSV for GREEN : ', hsv_green)
    print('HSV for RED : ', hsv_red)

hsv()
