Technical Information

Technical Information

Printing technology sharing and the latest industry trends

Color Management Sharing | Why is there a "color difference" between design and print?

Color difference refers to the difference in color perception between two samples, including differences in lightness, chroma, and hue. A color difference formula is used to calculate the difference between two colors after measuring them with a colorimeter. A visual assessment method involves placing two samples side-by-side under specified lighting and viewing conditions for human visual comparison. Visual estimation determines the difference and direction between colors, but not the grade difference. If color difference can be represented by the distance between two points, it achieves numerical expression. Colorimetry is commonly used to determine the difference between colors.

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Color Management Technology Sharing | i1Profiler Creates ICC Profiles for Display and Prepress

ICC color management means having a predictable, consistent, and repeatable workflow from capture to proofing to final output. To achieve a color management workflow, you need to calibrate your devices and create ICC profiles for each component (including cameras, monitors, projectors, scanners, and printers). ICC files are data files proposed by the International Color Consortium (ICC) used to identify the color characteristics of input and output devices. All display devices can use their respective ICC files to describe their color characteristics. ICC files define the color gamut that a device can display and the accuracy of the colors.

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Technical Sharing | SPIN or SPEX: Which is best for gloss measurement?

Surface appearance can alter your perception of color. Consider a glossy magazine; if light directly shines on the page, you might need to tilt the magazine and change the reflection angle to clearly see the color. Similarly, a textured surface may appear to be a different color than a smooth surface of the same object. A glossy blue object may appear more vibrant than a rough-textured object of the same hue. Two samples with different surface textures can be perceived as different colors.

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Technical Sharing | Color Management in Prepress and Printing

In the printing industry, the transition to successfully reproducing digital images (images captured digitally and/or provided electronically) is, for some, still an uphill battle. Scanning transparencies, the input standard for many years, is largely a thing of the past. When scanning, the final transparency could be considered a definitive reference to the image's original author or client intent. In many cases, transparencies were first scanned, then output as press-ready CMYK files using traditionally-set scanners. CMYK files were automatically generated, with no place for ICC profiles. Digital images require a completely different approach and clearly demand different expertise.

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GMG ColorCard Digital Ink Matching Technology | Intelligent Color Reference for the Packaging Industry - Convincing

In packaging production, spot colors are widely used. Although PANTONE color cards are available for reference, the substrate types of PANTONE color cards are limited, usually only coated paper and offset paper (not to mention that different versions of color cards sometimes have significant color differences). However, the actual packaging materials are numerous, including various types of paperboard, corrugated board, kraft paper, and various plastic films. This leads to many brand owners having to ask suppliers to print various spot color samples on actual packaging materials during packaging development. This is done firstly to determine the target color, and secondly to serve as a reference standard for subsequent production inspection. Traditional spot color card production, however, suffers from low efficiency, high cost, and poor repeatability.

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PressSIGN 11.2 has added new features!

The new version of eXact 2, launched in June this year, allows you to measure individual patches and scan short or long strips in pressSIGN 11.2. Thanks to X-Rite's new Mantis™ video positioning technology, this is much easier than with older devices.

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Leading the way in color | RICOH Pro C7500 series color production digital printing system

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