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Do I need to convert RGB to CMYK?
RGB colours may look good on screen but they will need converting to CMYK for printing. If you are supplying artwork in its original format, such as InDesign or QuarkXPress, then it is better to convert colours to CMYK before supplying artwork and files.
Why do photographers convert files from RGB to CMYK?
RGB is a much larger color space than CMYK. Therefore, you have more color image “information” to work with if you keep the photo in RGB format for as long as possible. The files are also smaller, interestingly enough, since you are defining color in three channels rather than four.
How do I make sure an image is CMYK?
To create a new CMYK document in Photoshop, go to File > New. In the New Document window, simply switch the color mode to CMYK (Photoshop defaults to RGB). If you’re wanting to convert an image from RGB to CMYK, then simply open the image in Photoshop. Then, navigate to Image > Mode > CMYK.
What’s the difference between sRGB and CMYK color space?
The first trouble point is that sRGB is a color-space based on an RGB representation and CMYK, AFAIK, is not a color-space but representation of colors. This tells me we need a CMYK color-space, preferably a common one since printers I talked to just said CMYK when I asked for a color-space.
Can a JPG file be converted to sRGB?
If you’re using BookWright, BookSmart, Bookify or Blurb’s iOS app for your project, your images should be either JPG or PNG files in the sRGB color space. Most images are already in sRGB since that’s the default setting for digital cameras and phones.
What’s the difference between RGB and CMYK inks?
When talking “CMYK”, your talking a completely different language than RGB, the range of gamuts there tends to be rather diverse and device dependent. I would say its less about “lossless” conversion, and more about properly converting an RGB image to the right mix of CMYK inks for each pixel.
Can a conversion from RGB to CMYK be lossless?
From a theoretical viewpoint, there’s no question that conversion from RGB to CMYK can be completely lossless, so (for example) you can do a round-trip conversion (RGB to CMYk, then back to RGB) and guarantee that the result is identical to the original input.