Colour brightness

Colour brightness refers to the difference between the way a colour appears to an observer in well-lit conditions compared with its subdued appearance when in shadow or when poorly illuminated.

About colour brightness
  • In a general sense, brightness is an attribute of visual perception and produces the impression that something is radiating or reflecting light and/or colour.
  • Colour brightness increases as lighting conditions improve, whilst the vitality of colours decreases when a surface is poorly lit.
  • Optical factors affecting colour brightness include:
  • Material properties affecting the colour brightness of a medium, object or surface include:
    • Chemical composition
    • Three-dimensional form
    • Texture
    • Reflectance
  • Perceptual factors affecting colour brightness include:
About brightness
About brightness, intensity and amplitude

In this dictionary:

  • Brightness is used in connection with the perception of colour.
  • Intensity is used in connection with the amount of light that is produced by or falls on an object.
  • Amplitude is used in connection with the properties of electromagnetic waves.
References