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When appearing on light bulb packages, brightness means luminous flux, while in other contexts it means luminance. [5] Luminous flux is the total amount of light coming from a source, such as a lighting device. Luminance, the original meaning of brightness, is the amount of light per solid angle coming from an area, such as the sky.
The saturation of a color is determined by a combination of light intensity and how much it is distributed across the spectrum of different wavelengths. The purest (most saturated) color is achieved by using just one wavelength at a high intensity, such as in laser light.
Luminance is a photometric measure of the luminous intensity per unit area of light travelling in a given direction. [1] It describes the amount of light that passes through, is emitted from, or is reflected from a particular area, and falls within a given solid angle.
A color term (or color name) is a word or phrase that refers to a specific color. The color term may refer to human perception of that color (which is affected by visual context) which is usually defined according to the Munsell color system, or to an underlying physical property (such as a specific wavelength of visible light).
Brightness may also refer to: Scientific. Luminosity; Brightness (sound) Brightness temperature; Surface Brightness; Artistic. The Brightness, the third album by ...
But for us it was simple: the color of the sky, the color of the heavens, what lies in front of us.” If 1999 was about embracing the unknown and engaging some blue-sky thinking, Pantone ...
In the 70s the same relationship was found in a number of other vertebrates and in 1982, using microelectrodes to measure cone responses in living rhesus macaques, Valeton and Van Norren found the following relationship: [19] 1 / V ~ 1 + (σ / I) 0.74. where V is the measured potential, I the light intensity and σ a constant.
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