new_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  
  """
  Showcases *Delta E* colour difference computation objects based on
  *Luo et al. (2006)* *CAM02-LCD*, *CAM02-SCD*, and *CAM02-UCS* colourspaces.
  """
  
  import colour
  from colour.utilities.verbose import message_box
  
  message_box('"Delta E - Luo et al. (2006)" Computations')
  
  Jpapbp_1 = (54.90433134, -0.08450395, -0.06854831)
  Jpapbp_2 = (54.90433134, -0.08442362, -0.06848314)
  message_box(('Computing "Delta E" with "Luo et al. (2006)" "CAM02-LCD" method '
               'from given "J\'a\'b\'" arrays:\n'
               '\n\t{0}\n\t{1}'.format(Jpapbp_1, Jpapbp_2)))
  print(colour.delta_E_CAM02LCD(Jpapbp_1, Jpapbp_2))
  
  print('\n')
  
  message_box(('Computing "Delta E" with "Luo et al. (2006)" "CAM02-SCD" method '
               'from given "J\'a\'b\'" arrays:\n'
               '\n\t{0}\n\t{1}'.format(Jpapbp_1, Jpapbp_2)))
  print(colour.delta_E_CAM02SCD(Jpapbp_1, Jpapbp_2))
  
  print('\n')
  
  message_box(('Computing "Delta E" with "Luo et al. (2006)" "CAM02-UCS" method '
               'from given "J\'a\'b\'" arrays:\n'
               '\n\t{0}\n\t{1}'.format(Jpapbp_1, Jpapbp_2)))
  print(colour.delta_E_CAM02UCS(Jpapbp_1, Jpapbp_2))
  
subject: Add “Luo et al. (2006)” colour difference examples.