Glossary
GUPPY Technical Manual
V4.0.1
221
HSV color space
The HSV (hue, saturation, value) model, also called HSB (hue, saturation,
brightness), defines a color space in terms of three constituent compo-
nents:
•
Hue, the color type (such as red, blue, or yellow)
•
Saturation, the vibrancy of the color and colorimetric purity
•
Value, the brightness of the color
Hue
A hue refers to the gradation of color within the optical spectrum, or vis-
ible spectrum, of light. Hue may also refer to a particular color within this
spectrum, as defined by its dominant wavelength, or the central tendency
of its combined wavelengths. For example, a light wave with a central ten-
dency within 565-590 nm will be yellow.
In an RGB color space, hue can be thought of as an angle
ϕ
in standard
position. The other coordinates are saturation and brightness.
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