About colour & visual perception
- Colour is not a property of electromagnetic radiation, but rather a characteristic of visual perception.
- The human eye, and therefore human perception, is sensitive to the range of light wavelengths that constitute the visible spectrum, including the corresponding spectral colours from red to violet.
- Light, however, is rarely of a single wavelength, so when an observer notices a red ball they are probably seeing a range of similar wavelengths of light within the visual spectrum.
- Perception of colour is a subjective process as our eyes respond to stimuli produced by incoming light but each of us responds differently.
About the perception of colour
- The perception of colour is a highly subjective experience.
- The colour of nearby objects can influence colour perception.
- The environment in which colours are observed and the type of object can influence colour perception.
- The physical properties of light, including wavelength and intensity, can affect how colours are perceived.
- An observer’s physical and mental state can affect their perception of colour. Health, medications, mood, emotions, or fatigue can all affect an observer’s eyes, vision, and perception.
- Different observers may perceive colours differently based on their life experiences, linguistic backgrounds, and educational, social, and cultural factors.
- The term “observer” has distinct meanings in various scientific fields, such as special relativity, general relativity, quantum mechanics, thermodynamics, and information theory.