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

EN Using Palettes (Color LaserJet, 5, 5M, DeskJet) C-1
C
Using Palettes
(Color LaserJet, 5, 5M,
DeskJet)
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.