hue-control | Instructions on controlling the Philips Hue Hub

def adjust_hue(image, delta, name=None):
  """Adjust hue of RGB images.

  This is a convenience method that converts an RGB image to float
  representation, converts it to HSV, adds an offset to the
  hue channel, converts back to RGB and then back   

def random_hue(image, max_delta, seed=None):
  """Adjust the hue of RGB images by a random factor.

  Equivalent to `adjust_hue()` but uses a `delta` randomly
  picked in the interval `[-max_delta, max_delta)`.

  `max_delta` must be in the interval   

private static boolean approximatelyEqualHsv(double[] hsv1, double[] hsv2) {
        boolean bHue = Math.abs(hsv1[0] - hsv2[0]) < 0.2;
        boolean bSaturation = Math.abs(hsv1[1] - hsv2[1]) < 0.002;
        boolean bValue = Math.abs(hsv1[2]