Represents the "Color" entry of the standard layout attributes object.

It is an optional entry defined as part of the PDF 1.5 specification.

It contains an array which contains doubles, representing PDF numeric objects.

Items in this array should have a minimum value of 0 and a maximum of 1.

For definitive details see:.

The ISO PDF Specification, ISO 32000-1:2008 PDF 1.7; Table: 343, page 600.

The ISO PDF Specification, ISO 32000-2:2017 PDF 2.0; Table: 378, page 773.

The ISO PDF Specification, ISO 32000-1:2008 PDF 1.7; Table: 344, page 600.

The ISO PDF Specification, ISO 32000-2:2017 PDF 2.0; Table: 379, page 774.

The ISO PDF Specification, ISO 32000-1:2008 PDF 1.7; Table: 345, page 604.

The ISO PDF Specification, ISO 32000-2:2017 PDF 2.0; Table: 380, page 778.

The ISO PDF Specification, ISO 32000-1:2008 PDF 1.7; Table: 346, page 608.

The ISO PDF Specification, ISO 32000-2:2017 PDF 2.0; Table: 381, page 782.