Customizing Advanced Color Management Settings - Adobe 13101332 - Photoshop - Mac User Manual

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Preserve Embedded
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Customizing advanced color management settings

When you select Advanced Mode at the top of the Color Settings dialog box, you have the
option of further customizing settings used for color management.
Specifying a color management engine
The color management engine specifies the system and color-matching method used to
convert colors between color spaces. For information about the specified engine, see the
Description area of the Color Settings dialog box. (See
page 104.)
Specifying a rendering intent
Converting colors to a different color space usually involves an adjustment of the colors to
accommodate the gamut of the destination color space. Different translation methods use
different rules to determine how the source colors are adjusted; for example, colors that
fall inside the destination gamut may remain unchanged, or they may be adjusted to
preserve the original range of visual relationships as translated to a smaller destination
gamut. These translation methods are known as rendering intents because each technique
is optimized for a different intended use of color graphics.
Note: The result of choosing a rendering intent depends on the graphical content of
documents and on the profiles used to specify color spaces. Some profiles produce
identical results for different rendering intents. Differences between rendering intents are
apparent only when you print a document or convert it to a different color space.
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Default color management behavior
New documents are tagged with the current working space profile.
•
Existing documents tagged with a profile other than the current
•
working space remain tagged with the original embedded profile.
Existing untagged documents use the current working space for
•
editing but remain untagged.
For color data imported within the same color mode between
•
either a non-color-managed source or destination, or from a CMYK
document into a CMYK document, color numbers are preserved.
For all other import cases, colors are converted to the document's
•
color space.
New documents are tagged with the current working space profile.
•
Existing documents tagged with a profile other than the current
•
working space are converted to and tagged with the working space
profile.
Existing untagged documents use the current working space for
•
editing but remain untagged.
For color data imported within the same color mode between
•
either a non-color-managed source or destination, color numbers are
preserved.
For all other import cases, colors are converted to the document's
•
color space.
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