luminance

2 definitions found

luminance - WordNet (r) 2.1 (2005) :

  luminance
      n 1: the quality of being luminous; emitting or reflecting
           light; "its luminosity is measured relative to that of our
           sun" [syn: luminosity, brightness, brightness level,
           luminance, luminousness, light]

luminance - Free On-line Dictionary of Computing (26 May 2007) :

  brightness
  luminance
  tone
  value
  
     <graphics> (Or "tone", "luminance", "value", "luminosity",
     "lightness") The coordinate in the HSB colour model that
     determines the total amount of light in the colour.  Zero
     brightness is black and 100% is white, intermediate values are
     "light" or "dark" colours.
  
     The other coordinates are hue and saturation.
  
     (1999-07-05)