Archives: Glossary

C1S

A designation for paper, indicating that one side of the paper is coated. The C standing...

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C1S/C2S

A designation for paper, indicating that either one or both sides of the paper are coated. The C standing for “Coated”, the number designating how many sides and the S standing for “Sides”. Thus C1S...

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channel

In Photoshop, a channel is a grayscale image that stores different types of information: Color information channels are created automatically when you open a new image. The image’s color mode determines the number of color...

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chroma

See saturation. As chroma comes from the Greek word for color, it is sometimes incorrectly used as a synonym for...

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CIE

The International Commission on Illumination (usually abbreviated CIE for its French name, Commission internationale de l’éclairage) is the international authority on light, illumination, color and color spaces. It...

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CIE LAB

Also called lab space. This is the most complete color space specified by the International Commission on Illumination (CIE). It describes all the colors visible to the human eye and was created to serve as a device-independent...

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clipping

Clipping occurs when a pixel’s color values are higher than the highest value or lower than the lowest value that can be represented in the image; overbright values are clipped to output white, and overdark values are...

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cloisonné

Enamel work in which the different colors are separated by strips of flattened wire placed edgeways on a metal backing, usually used for pendants and other jewelry. The word comes from French and literally means...

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CMYK

This refers to Cyan, Magenta, Yellow and BlacK (or Key), which are the subtractive primaries. They are pigments, which create a spectrum of colors in different combinations. Unlike monitors, printers use subtractive primaries to...

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coated paper

Paper with a surface treated with clay or some other pigment and adhesive material to improve the finish in terms of printing quality. A coated finish can vary from dull to very glossy and provides an excellent printing surface...

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color

A visual attribute of things that results from the light they emit or transmit or reflect. The term color is also commonly used in graphic design to distinguish from things which are black, white and...

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color associations

These are the associations that people make with certain colors, usually rooted in precedents set by nature. For example, green is associated with life and growth, yellow is associated with happiness and red is associated...

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color depth

This is the perception of depth based on color depending on the background they’re against. Warms colors tend to appear closer while cool colors appear further away.  The opposite is true against a white...

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color harmony

The term harmony derives from the Greek harmonia, meaning “joint, agreement, concord”, from the verb harmozo, “to fit together, to join”. In relation to color, this term refers to the combination of...

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color model

A color model is a mathematical model describing the way colors can be represented as numbers, creating different dimensions that correlate to the three dimensions of space (depth, height, width). When this model is associated...

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color profile

Also called ICC profile. This is a set of data that characterizes color input or output devices (digital cameras, scanners, monitors, printers, etc.) or a color space, based on the standards issued by the ICC. Profiles describe...

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color separation

The process of dividing a multicolored image into the four individual process colors—Cyan, Magenta, Yellow and Black—so that the image can be reproduced on a printing press. This was previously done using a camera...

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color space

A color space is a variant of a color model and has a specific gamut (range) of colors. For example, within the RGB color model are a number of color spaces: Adobe RGB, sRGB and so on. The color space is the interpretation of...

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color wheel

A circular diagram which represents the spectrum of visible colors. Color wheels are available which show the various different kinds of color harmony. These are made with two discs fastened with a rivet at their axis point. The...

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