The n’th color in the palette. You can specify up to 64 colors in the palette.
A color reference. This can be expressed as (r,g,b) where r, g, and b are either a numeric literal (0 to 255), a numeric variable, or a numeric column. It can also be expressed as a (c) where c is a string literal, column, or variable that is the name of a color.
This command creates a palette of colors. There is no limit to the number of palettes that can be defined in a program. No gaps are permitted in the palette.