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# Color Dictionaries

You can configure the color cluster analysis task to cluster colors around colors that are defined in a dictionary. If you configure a dictionary, Media Server also returns the name of a color for each cluster in the analysis results. Media Server includes some dictionaries in the `colorcluster` folder, in the static data directory.

To list the colors that have been defined in a color dictionary

- Use the action `ListColors`. For example:

      /action=ListColors&ColorDictionary=basiccolors.dat

  where the `ColorDictionary` parameter specifies either:

  - the name of a dictionary file that is located in the `colorcluster` folder in the static data directory. The static data directory is the folder specified by the `StaticDataDirectory` parameter in the `[Paths]` section of the Media Server configuration file.
  - the path of a dictionary file. A path can be absolute or relative to the Media Server executable file.

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