- the vector file was received from the customer as a CMYK PDF file. It is to be placed in a two spot colour flyer. - I used Illustrator CS4 to open it and convert it to grayscale. It will print black only in the flyer. It looks grayscale on the screen and yet says "CMYK" in the title. Working in 16bit RGB will give you the most possible colors until you're ready to convert them down, this is where you do color matching. If you're using OSX, open "profiles" in "ColorSync Utility" to compare spectrums! Click to move it around in 3D. click and hold to compare. These can all exist together in just one CMYK .ai file quite happily. This I treat as the master document. It's trivial to export an RGB image file such as PNG/JPEG from this CYMK master document, or even copy and paste the CMYK version of the logo into an RGB .ai document, where it is instantly be converted to RGB anyway. And be able to "Automatically" generate this style of image by placing those colors together in different arrangements to achieve different colors. This is how pointillism works in real life. In art class years ago, I was given 4 colors (cymk) and was supposed to place them so small next to each other in different arrangements to achieve Below are guidelines for working in CMYK mode and adjusting the colours as required in Illustrator. 1. CMYK colour mode. It is best to compose your design in CMYK mode – but if you haven't done this, you will need to convert the colour mode before adjusting the colour values: Select File > Document Color Mode > CMYK Color. Select Edit Method 1 Converting a New Illustrator Document to CMYK Download Article 1 Open Adobe Illustrator. Click the Illustrator icon on your desktop, or find it in the search panel at the lower left corner of your screen (click the Windows icon to open the search bar). If you have a Mac, click the Finder icon in the lower-left corner of your dock. muu9z. To do this, go to image > mode > grayscale. Make the size ratio 1 and then click OK. Zoom in closely to see the dots, and once you do so, go to select color range, and then using your mouse you’ll see an eye drop tool, and you’ll click on a black area. Set your fuzziness to the max which is 200 and press OK. The doc colour mode is in CMYK mode and the colour window is showing the CMYK sliders for both rows of the squares. Both of these rows of squares have the identical CMYK values. When you look at the squares on the screen however you can see the first row is a more blue green that the second row and they have printed this way also. To convert your RGB document to CMYK using Adobe Illustrator, simply go to File -> Document Color Mode and select CMYK Color. This will change the color format of your document and restrict it to shades that are exclusively within the CMYK gamut. With Illustrator it is different. As an example, today I receive a .AI Stock image from a client to convert to CMYK. It was a multi-colored vibrant abstract background with gradients that I knew by looking at it that the CMYK conversion would be obviously apparent. 2. PNG doesn't support CMYK colour. If you want to save a CMYK JPEG, it is possible. In Illustrator hit File > Export, choose jpeg as the file format, and when the export dialog appears set the colour model to CMYK. It's not advisable to save JPEGs in CMYK mode because not all web browsers or image viewers can display CMYK images properly.

how to convert image to cmyk in illustrator