Represents the "ColorType" entry of the version 1.3 opi dictionary object.

It is an optional entry defined as part of the PDF 1.0 specification.

It contains a string representing a PDF name object.

The PDF specification states that this item assumes a value of "Spot" if no value has been provided.

This item may take one of the following valid values:.

• Process
• Spot
• Separation

For definitive details see:.

The ISO PDF Specification, ISO 32000-1:2008 PDF 1.7; Table: 369, page 640.

The ISO PDF Specification, ISO 32000-2:2017 PDF 2.0; Table: 406, page 824.

The ColorType entry names the color mode of the high-resolution image, such as Process, Spot, or Separation, telling the OPI processor how to handle the image colorants at output.