text: '''
  BGR to HSV Color Conversion
      Create by Henry Dang ==> See the tutorial here:
      https://henrydangprg.com/2016/06/26/color-detection-in-python-with-opencv/
  Adapted by Marcelo Rovai - MJRoBot.org @8Feb18
  '''
  
  import sys
  import numpy as np
  import cv2
   
  blue = sys.argv[1]
  green = sys.argv[2]
  red = sys.argv[3]  
   
  color = np.uint8([[[blue, green, red]]])
  hsv_color = cv2.cvtColor(color, cv2.COLOR_BGR2HSV)
   
  hue = hsv_color[0][0][0]
   
  print("Lower bound is :"),
  print("[" + str(hue-10) + ", 100, 100]\n")
   
  print("Upper bound is :"),
  print("[" + str(hue + 10) + ", 255, 255]")
  