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
- Perceptual factors affecting colour brightness include:
- The term brightness is best understood when associated with a specific colour model.
- Examples of colour models include:
- The HSB colour model uses the term brightness alongside hue and saturation.
- Some colour models don’t use the term brightness at all.
- When we change from one colour model to another, it’s best to change our terminology as well
About brightness, intensity and amplitude
In this dictionary: