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Adobe Illustrator has three types of color swatches: process, global, and spot. Process and global color swatches are related to the document color mode. Changing the document color mode from CMYK to RGB converts the process or global colors. Changing the document color mode back again is a second conversion, not a return to the original color. Unlike process and global color swatches, spot color swatches preserve the definition and color modes (CMYK, RGB, LAB, Grayscale, HSB, or WebSafe RGB) in which they are created.

Color swatches can be created by either of these: • users • color book manufacturers such as Pantone. Color system manufacturers create standardized colors for communicating color information across apps and processes.

These standardized color libraries are called color books. The Pantone Plus Series® in Illustrator includes ten libraries: • PANTONE+ CMYK Coated • PANTONE+ CMYK Uncoated • PANTONE+ Color Bridge Coated • PANTONE+ Color Bridge Uncoated • PANTONE+ Metallic Coated • PANTONE+ Pastels & Neons Coated • PANTONE+ Pastels & Neons Uncoated • PANTONE+ Premium Metallics Coated • PANTONE+ Solid Coated • PANTONE+ Solid Uncoated The filename extension of these color books is.acb. In Adobe Illustrator, you add named color swatches, such as manufacturer-supplied spot colors, to the document swatches.

Spot colors in the Pantone Plus Series® use Lab values. There are no CMYK definitions for spot colors in the Pantone Plus Series®. Therefore, to add Pantone Plus spot colors to your document swatches, define spot colors using Lab values. To define spot colors using Lab values, choose Spot Colors from the Swatches panel ( Window >Swatches), select Use Lab values specified by the book manufacturer, then click OK.

With the Pantone Plus Series®, Illustrator, InDesign, and Photoshop CS6 and CC all contain the color libraries from Pantone, enabling seamless exchange of book colors from one app to the other. And because the spot colors use Lab values, the visible results are much closer to the real inks available.

Using Lab values for spot colors also reduces the difference of appearance between the Normal and Overprint Preview viewing modes. CMYK, as a color mode, has a fairly limited gamut. Representing Pantone spot colors in CMYK values results in a wider difference of appearance between printed output and digital artwork.

In Illustrator CS5 and earlier versions, which included the older versions of the Pantone color books, most spot colors from Pantone had two definitions: Lab and CMYK. In addition, the default setting in the Spot Color Options dialog box was CMYK.

CMYK values took priority over Lab values. The spot color added to the document usually came with CMYK values. If you need the same spot colors to be identical in CS5 (and earlier) and CS6/CC, take the following steps, see. This workaround makes the Pantone spot color uniform across different versions of Illustrator. However, it could impact cross-product workflows with InDesign and Photoshop, if you are using the Pantone Plus Series® with these apps. Importing PSDs and TIFF files with spot channels containing older Pantone colors PSD and TIFF files that contain spot channels from color books retain a link to the color book. When you place-link such files in an Illustrator CS6 or CC document, the system searches for the color information for spot channels in the installed Pantone Plus color books.

If an identically named color is found in any of the available spot color books, the system fetches it and links to the file or opens the legacy file. (This process is also true for opening legacy ai/eps/pdf/indd files that contain links to such PSDs or TIFFs.) During this process, there can be a slight difference in how the color appears (compared to Illustrator CS5 or earlier). There are two possible reasons for the difference of appearance: • The Spot Color Options setting may have been CMYK in the older Illustrator version, and Lab in CS6 or CC.

• Pantone may have changed the definition of the color in Pantone Plus. Learn about the Pantone Plus color libraries and color books used in Adobe.

Pantone color books. /Library/Application Support/Adobe/Adobe. Nov 27, 2017 For those of you reading this that are not familiar with the 'Pantone Color Manager' software that is referenced below.