Colorspace DeviceRGB Pages

Brief Description

The RGB color model is an additive color model in which red, green, and blue light is added together in various ways to reproduce a broad array of colors. The name of the model comes from the initials of the three additive primary colors, red, green, and blue.

What your issue is

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You generated a PDF file from Pages, and now You want to know if the images are RGB or CMYK.

How to fix this issue

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 * Open the PDF in Adobe Acrobat Pro.


 * Go to Advanced > Preflight.


 * Highlight any profile, for example "List all images".


 * Execute.

More details

There is no way in Pages to convert images from one color system into an other. You have to use an image editor for that. Or if you have no image editor, use Preview. Open the image in Preview and choose the manu item "Tools/Match to Profile..." and there select the CMYK item.

References:

RGB model

Graphic RGB Calculator

Apple Support Communities