HP PCL/PJL reference (PCL 5 Color) - Technical Reference Manual

EN Using Palettes 3-1
3
Using Palettes
Introduction
A palette is a collection of color specifications selected using index
numbers. The figure below illustrates a palette. Each palette entry
associates an index number with three primary color components. For
HP-GL/2 purposes only, a pen width is also associated with each
palette entry.