Step 2: Download the CMYK separation plugin for GIMP and double-click to install it into the GIMP file. Then download the ICC profiles for your image. Step 3: Now, open GIMP and go to File > Open, and choose your image. Step 4: Right-click on your photo > select the “image” option on the appearing menu.
Go to the file menu and select export. Once you have selected where you want your pdf to be saved, a dialog box entitled Export Adobe PDF should open. On the left hand side, there is a series of menus. Under Output, you can select Color Conversion: Convert to Destination. Set the destination to an RGB option and there you have it.
But this ends up drawing white text (from mask.png) onto temp.tif without transforming the color to 0.5,0.5,0,0.2. Would appreciate any help/pointers folks might have. We are a .net team so we don't have folks that can do Python/Ruby but if we have to do it with the NetVips layer on top of C instead of the CLI we can probably manage.
If the printing company has no clue or just says "whatever" yes, just use it. Confirm the resolution. For a digital banner, 150 PPI is fine. You do not "need" to send a Tif file. A well prepared JPG file in CMYK color mode is fine. The "Maximum" quality slider in Ps uses a quality level of 10. Slide it to 12.
1. It is very common to have rendering problems when dealing with CMYK and transparency effects, especially if the document also uses spot swatches. There are a few things you can try. First, if possible, set any spot colors to print as process. Then try to create a PDF/X-1 standard PDF. This can have unexpected results if the spot colors are
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convert cmyk to rgb without losing color
