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Is it possible, in pitstop server, to have an action list create a rectangle that has an Lab color fill? Or change the color of an existing rectangle to an Lab color fill? I can create an RGB fill, but there is no choice in the action for an Lab fill. The only place I have found to define a Lab color is in the color picker/color library. I read somewhere that Pitstop Server can't handle the color library but I'm not sure that would help because the color values are being pulled on the fly from the file name using a variable, which works for RGB colors.

That is indeed a feature request. What is your use case for requiring a Lab patch? Eventually it always gets rendered as RGB on screen or CMYK in print.

How many different colors are we talking about? If the number is limited, you could work with a preflight profile with a number of action lists, each one placing a rectangle in a certain Lab color, and using boolean variables to switch on the correct action list and switch off all the others. If the Lab values can be anything that will not work.

I have 238 printed swatches that I will be reading with a spectrophotometer. This will give me the Lab values. I need to end up with swatch files with RGB values for use on a web site so I was going to use pitstop to create the file with the Lab values and then convert to RGB. I might be able to convert the colors in a spreadsheet and then use the RGB values in pitstop. Is there a way to change Pitstop server to use 0-255 in its RGB values instead of 0-100%? I see that preference in Pitstop but not Pitstop server.
Thanks

Please create and use the following action.