A Hue is a color of the rainbow.
It is one of the main properties describing a color
The average person can distinguish about 150 colors (hues) of light.
Every one can be described using one or two of only 6 (7) colors :
- Newton had used a prism to separate daylight and count seven individual colors (hue).
- There are seven colors in the rainbow
This colors as in the rainbow are defined as pure hue (ie without any admixture of other colors).
The human perception distinguishes between:
- unique (psychologically primary)
Technical definition (in the CIECAM02 model): the degree to which a stimulus can be described as similar to or different from stimuli that are described as the unique hues (red, green, blue, and yellow).
See Color - Chroma:
- Chromatic: Having hue
- Achromatic: Without hue
- Polychromatic: Having many hues
- Monochromatic: Having one hue only
A color wheel is an abstract illustrative organization of color hues around a circle. Each angle corresponds to a hue.
See also the hue saturation value cone.
A unique hue is defined as a color which an observer perceives as a pure, without any admixture of the other colors.
The unique hues are :
- and yellow
To remove the hue of a color and get an achromatic color (greyscale color between white and black), you mix the color with its opponent color.