plgcolbg: Returns the background color (cmap0[0]) by 8-bit RGB value

`plgcolbg`: Returns the background color (cmap0[0]) by 8-bit RGB value
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#### `plgcolbg`: Returns the background color (cmap0[0]) by 8-bit RGB value

`plgcolbg (` | r,
| g,
| b`)`;

Returns the background color (cmap0[0]) by 8-bit RGB value.

`r` (`PLINT *`, output)

  Pointer to an unsigned 8-bit integer (0-255) representing the degree of red in the color.

`g` (`PLINT *`, output)

  Pointer to an unsigned 8-bit integer (0-255) representing the degree of green in the color.

`b` (`PLINT *`, output)

  Pointer to an unsigned 8-bit integer (0-255) representing the degree of blue in the color.

Redacted form: `plgcolbg(r, g, b)`

This function is used in example 31.

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`plgcol0a`: Returns 8-bit RGB values and double alpha transparency value for given color index from cmap0 | Home | `plgcolbga`: Returns the background color (cmap0[0]) by 8-bit RGB value and double alpha transparency value