December 12, 2016


Formed in 1966 Graphic Communications Association (Now IDEAlliance), the General Requirements for Applications in Commercial Offset Lithography (GRACoL) aims to develop an industry specification and reference for color offset lithography.
December 12, 2016


The direction of fibers in a sheet or web of paper, generated during paper formation. As paper moves forward along the forming wire on a papermaking machine, the fibers align themselves in a direction
December 12, 2016

Grain Direction

The direction in which all or most of the paper fibers are oriented in a sheet or web. Since the grain is produced on the forming wire of a papermaking machine in the
December 12, 2016

Graphics Interchange Format

See GIF.
December 12, 2016

Gray Balance 

In color printing, combinations of cyan, magenta, and yellow inks which produce neutral shades of gray. Improper proportions of any of these colorants will result in one particular dominant hue, which may or may not
December 12, 2016

Gray Component Replacement 

A means of producing more consistent color and increased shadow detail in a printed reproduction by reducing the sizes of the cyan, magenta, and yellow halftone dots that contribute to the darkening effect—or gray component—of an
December 12, 2016

Gray Level 

In describing color image input (scanning) and processing, a discrete shade of gray as viewed through a color separation filter. During scanning, the device’s optics read each of the three primary colors (red, green,
December 12, 2016

Gray Scale 

A thin strip of paper or film containing 15:20 shades of gray, increasing in density (typically in a logarithmic, not linear, fashion) from white to black, used to analyze and

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