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_NC_SCALAR``, output)

  Returned value of the red intensity in the range from 0 to 255.

`g` (``PLINT_NC_SCALAR``, output)

  Returned value of the green intensity in the range from 0 to 255.

`b` (``PLINT_NC_SCALAR``, output)

  Returned value of the blue intensity in the range from 0 to 255.

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

This function is used in example 31.

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