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Lightness information


Three hues in the Munsell color model. Each color differs in value from top to bottom in equal perception steps. The right column undergoes a dramatic change in perceived color.

Lightness is a visual perception of the luminance of an object. It is often judged relative to a similarly lit object. In colorimetry and color appearance models, lightness is a prediction of how an illuminated color will appear to a standard observer. While luminance is a linear measurement of light, lightness is a linear prediction of the human perception of that light.

This distinction is meaningful because human vision's lightness perception is non-linear relative to light. Doubling the quantity of light does not result in a doubling in perceived lightness, only a modest increase.

The symbol for perceptual lightness is usually either as used in CIECAM02 or as used in CIELAB and CIELUV. ("Lstar") is not to be confused with as used for luminance. In some color ordering systems such as Munsell, Lightness is referenced as value.

Chiaroscuro and Tenebrism both take advantage of dramatic contrasts of value to heighten drama in art. Artists may also employ shading, subtle manipulation of value.

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Lightness

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Lightness is a visual perception of the luminance ( L ) {\displaystyle (L)} of an object. It is often judged relative to a similarly lit object. In colorimetry...

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Unbearable Lightness

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Unbearable Lightness may refer to: The Unbearable Lightness of Being, a 1984 novel written by Czech author Milan Kundera The Unbearable Lightness of Being...

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image analysis and computer vision. HSL stands for hue, saturation, and lightness, and is often also called HLS. HSV stands for hue, saturation, and value...

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Colorfulness

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describe the object color. It is how different from a grey of the same lightness such an object color appears to be. Saturation is the "colorfulness of...

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Hue

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or chroma), lightness, and brightness. Usually, colors with the same hue are distinguished with adjectives referring to their lightness or colorfulness...

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Middle gray

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tone that is perceptually about halfway between black and white on a lightness scale; in photography and printing, it is typically defined as 18% reflectance...

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kitsch is a central motif in Milan Kundera's 1984 novel The Unbearable Lightness of Being. Towards the end of the novel, the book's narrator posits that...

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Natural Color System

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component (c = 0), lightness is defined as v = 100 − s 100 . {\displaystyle v={\frac {100-s}{100}}.} For chromatic colors, the NCS lightness is determined...

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reference: The 2009 film Inglourious Basterds. 61 18 "The Unblairable Lightness of Being" Janice Cooke-Leonard Jeanne Leitenberg April 12, 2010 (2010-04-12)...

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List of RAL colours

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× blue) CIE L*a*b* values sRGB value expressed as hue, saturation and lightness (HSL) device-independent CMYK value: cyan, magenta, yellow, black or key...

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Error diffusion

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that will separate lightness, hue and saturation channels, so that a higher weight for error diffusion will be given to the lightness channel, than to the...

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Shades of green

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green may differ in hue, chroma (also called saturation or intensity) or lightness (or value, tone, or brightness), or in two or three of these qualities...

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Milan Kundera

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Czech citizenship in 2019. Kundera's best-known work is The Unbearable Lightness of Being. Before the Velvet Revolution of 1989, the country's ruling Communist...

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Shades of yellow

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in hue, chroma (also called saturation, intensity, or colorfulness) or lightness (or value, tone, or brightness), or in two or three of these qualities...

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CIELAB color space

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(abbreviated CIE) in 1976. It expresses color as three values: L* for perceptual lightness and a* and b* for the four unique colors of human vision: red, green,...

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Shades of blue

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hue, chroma (also called saturation, intensity, or colorfulness), or lightness (or value, tone, or brightness), or in two or three of these qualities...

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