Represents the "ColorSpace" entry of the 3d stream dictionary object.

It is defined as part of the PDF 1.0 specification.

It contains a ColorSpaceElement.

For definitive details see:.

The ISO PDF Specification, ISO 32000-1:2008 PDF 1.7; Table: 300, page 516.

Adobe Supplement to the ISO 32000, BaseVersion: 1.7, ExtensionLevel: 3; Table: 9.35, page 56.

The ISO PDF Specification, ISO 32000-2:2017 PDF 2.0; Table: 311, page 645.

The ColorSpace entry references an ICC profile or colour space specification used for rendering the model. It defines the colour space assumed by the 3D renderer for lighting and material calculations.