色彩管理 Color Management

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I s Color? Reflections on Life “It’s not easy being green,” sang the velvet voice of Kermit the Frog, per- haps givingus some indication of how the frog felt to be a felt frog. While none of us may ever know the experience of “being green,” it’s worth reflecting (as we are all reflective objects) on the experience of “seeing green.” You don’t have to be a color expert to use color management. But if you’re totally unfamiiiar with the concepts behind the technology, color management may seem l i e magic. We don’t expect you to become as obsessedwith color as we are-indeed, if you want any hope of leading a normallie,we adviseagainstit-but we do recommend that you familiar- ize yourselfwith the fundamentals we lay out in this chapter. b They’ll help you understand the problem that color managementad- dresses.The whole business of printing or displaying images that look likerealistic depictions of the things they portray depends on exploit- ing specific properties of the way humans see color. Color manage- ment is just an extension of that effort. b They’ll explain some of the terminologyyou’ll encounter when using color management software–termslike colorimetric,perceptual, and saturation,for example.A little color theoryhelps explain these terms and why we need them. 3 4 Real World Color Management, Scrond Edition b The strengths and weaknessesof color management are rooted in our ability (or inability) to quantify human color Vision accurately. If you understand this, your expectations will be more