The PLplot Plotting Library: Programmer's Reference Manual
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### `plscolbg`: Set the background color by 8-bit RGB value

`plscolbg` (r, g, b);

Set the background color (color 0 in color map 0) by 8-bit RGB value (see the Section called Color Map0 in Chapter 3).

`r` (`PLINT`, input) Unsigned 8-bit integer (0-255) representing the degree of red in the color. `g` (`PLINT`, input) Unsigned 8-bit integer (0-255) representing the degree of green in the color. `b` (`PLINT`, input) Unsigned 8-bit integer (0-255) representing the degree of blue in the color.

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`plscol0`: Set a given color from color map0 by 8 bit RGB value | Up | `plscolor`: Used to globally turn color output on/off