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Colorimetry: How to Measure Color Differences

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Colorimetry, the science of color measurement, is widely employed in commerce, industry and the laboratory to express color in numerical terms and to measure color differences between specimens. Applications include paints, inks, plastics, textiles and apparel, food and beverages, pharmaceuticals and cosmetics, displays, and other parts and products that reflect or transmit color.

Konica Minolta Sensing Americas Inc.

The use and importance of colorimetry has grown in unison with the increase of global manufacturing and processing. When plastic automotive trim produced on one continent must match a painted metal finish applied on another, for example, an objective and precise description of color becomes an absolute necessity. Unfortunately, human color perception varies widely and is affected by illumination, sample size, surrounding color, and the angle of observation. Colorimetric instruments provide a set of standardized conditions that help assure consistency and repeatability. While the...Read full article

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