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Pratt & Lambert is a brand of architectural and industrial paint founded in 1849. It has been owned by Sherwin-Williams since 1995. The Pratt & Lambert company started in Buffalo, New York in 1849 as a maker of a drying agent for linseed oil paint.
The Sherwin Williams Home Decorator and Color Guide (1939) Kenneth Franzheim II Rare Books Room, William R. Jenkins Architecture and Art Library, University of Houston Digital Library. Rabin, R (December 1989). "Warnings unheeded: a history of child lead poisoning". American Journal of Public Health. 79 (12): 1668– 1674. doi:10.2105/ajph.79. ...
For surface-color applications, the specified white object is usually (though not always) a hypothetical material with unit reflectance that follows Lambert's law. The resulting L will be scaled between 0 (black) and 100 (white); roughly ten times the Munsell value. Note that a medium lightness of 50 is produced by a luminance of 25, due to the ...
In digital image and video processing, a color layout descriptor (CLD) is designed to capture the spatial distribution of color in an image. [1] The feature extraction process consists of two parts: grid based representative color selection and discrete cosine transform with quantization.
A color chart or color reference card is a flat, physical object that has many different color samples present. They can be available as a single-page chart, or in the form of swatchbooks or color-matching fans. Typically there are two different types of color charts: Color reference charts are intended
Federal Standard 595 is the color description and communication system developed in 1956 by the United States government. Its origins reach back to World War II when a problem of providing exact color specifications to military equipment subcontractors in different parts of the world became a matter of urgency.
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The Coloroid color space, showing the cylindrical geometry of luminosity (V), hue (A) and saturation (T), the relative components of pure hue (p), white (w) and black (s) that can be used to mix any hue within a single hue plane, and the relative areas of all possible (spectrally defined) colors and material (pigmented surfaces) colors according to Coloroid.
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