Lexmark C710 User's Guide - Page 93
Popular color, management, systems, Translation between color models, Windows ICM, ColorSync 2.1
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Translation between color models Translation is the most complex element of a CMS. Because each device is based on a device-dependent color model, such as RGB or CMYK, the range of colors each device supports is different. It is difficult and sometimes impossible to produce a particular color on different devices when each device uses a different color model. Translation requires a device-independent color model. Most color management systems are based on the CIE color space model. This interpretation of color space was devised by the Commission Internationale de l'Eclairage (CIE). Rather than translating RGB to CIE and CIE to CMYK, most Color Management Systems translate directly from RGB to CMYK using the CIE color space as a reference. Popular color management systems There are many color management systems for you to choose from. The type of CMS you choose will impact your printed output. Choose a CMS that best meets your cost and performance needs. Some popular color management systems are listed below: Windows ICM Microsoft Windows 95/98, and Windows NT support Image Color Management (ICM). ICM is an operating system-level CMS based on the CIE independent color model. It helps to translate color values between RGB and CMYK. ColorSync 2.1 ColorSync 2.1 is an operating system-level CMS developed by Apple. It also uses the CIE independent model to translate between RGB and CMYK values. Agfa FotoTune Agfa FotoTune also uses the CIE independent color model to translate between RGB and CMYK values. It is, however, application-dependent and only works with certain applications, such as Adobe Photoshop™. Chapter 4: Managing color 79