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I am using Corel Painter IXon an iMac. I designed biz cards using Corel's RGB, only to find out when I converted to CMYK for printing, that my beautiful red shows orange.
I have the number for red in CMYK but for the life of me cannot find ANYWHERE in Corel Painter IX to use it.
How do I get red in CMYK on Corel Painter IX? What am I missing?
Thanks for any help you can give!
What am I missing?
What you demonstrated here are the limitations of color gamut. RGB is colored light and contains colors that cannot be duplicated in any reflective medium. The inverse is also true, there are certain colors obtained by CMYK or special ink mixes that cannot be exactly duplicated in RGB. Understanding these limitations is key to working in printing.
Go by the numbers. I'm not familiar with your program, but somewhere there should be a color picker; usually an eyedropper icon that, when you hover over a color, it will show you the generated values in RGB and CMYK.
Get a color swash book or CMYK color wheel from a printer or printer supply house. Find the target color you want in the book or wheel. Match up the colors on your output with the book or wheel by the numbers for cyan, magenta, yellow, black. Ignore what you see, what you see is not always (almost never) what you get.
I know I am "side-stepping" your question because what you are asking is not the solution. The above is the solution. The bottom line is you may not get that "beautiful red" because it may not be printable in reflective pigments.
I don't even know if your program supports CMYK conversions, as it's a hefty set of color lookup tables to carry. Generally these are found in a"color mode" menu. If you find that and see "Grayscale," "Bitmap", and "RGB," but don't see CMYK, it's not supported.
Best approach is to ask support [corel.com].
Yes this program supports CMYK conversion but I cannot figure out why I can't do it from start.
Well that's good news, then.
If you open an existing file, it will be whatever color space is inherent in a file and needs to be converted.
When creating a new file, you *should* have the option to select the color space of the new file. That is, "new" should open a dialogue where you set pixel size and color space: bitmap, grayscale, RGB, CMYK. If this is not present, you'll have to make a habit of converting after opening.
Pixel size may be interpreted differently - "2200 x 1500 pixels" as opposed to '3.5" X 2" ' at 300 dpi/ppi. If it's in pixels, simply divide the pixels by your target resolution (at least 200 DPI for offset printing) to figure the size in inches (or cm, Euro.)
Even after converting to CMYK, you have to remember it's still being displayed on an RGB monitor, don't rely on "what you see." There are long arguments over color calibration, but it's still apples to oranges. For offset CMYK, always read the numbers, they will hit it closest.