Colorspace DeviceRGB InDesign

Brief Description

The key color spaces fall into device-dependent and device-independent categories. The device dependent type of color space has three color spaces. Normally, you create colors by mixing different amounts of specific base colors. The three mixing schemes that you can use in device-dependent color are:

DeviceRGB: Red, green, blue, and alpha components

DeviceCMYK: Cyan, magenta, yellow, black, and alpha components

DeviceWhite: White and alpha components

What your issue is

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In the case of DeviceRGB you have selected what is called an "Additive" color space and like a computer monitor it has a broad spectrum of valid colors. On the other hand the color printing process uses a "Subtractive" color space and it has a far more restrictive spectrum of valid colors. This means that your RGB colored items may very likely have colors that simply can not be reproduced by a printing press and therefore the final printed piece may not match very closely with what you see on screen.

How to fix this issue

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By converting your images and other artwork elements into CMYK color space then you will be able preview the colors on your monitor more closely to how they will look when printed. This will prevent the situation where you order printed goods based on RGB and are not happy with the final product that you will receive in CMYK.

More details

For correct printing you need to create your design using CMYK color space (the best way) or convert RGB to the CMYK.

You can convert RGB to CMYK at the output stage using the Output tab in the print dialogue box.

If you are using PDF export, InDesign can automatically convert RGB to CMYK on some PDF profiles.

References:

The device-dependent color spaces in PostScript are DeviceRGB, DeviceCMYK and DeviceGray.

Colors

Convert colors to a different color space