# A3DGlobalGetGraphRgbColorData

A3DStatus `A3DGlobalGetGraphRgbColorData`(const A3DUns32 uiIndexRgbColor, A3DGraphRgbColorData *pData)
  `A3DStatus` A3DGlobalGetGraphRgbColorData(const `A3DUns32` uiIndexRgbColor, `A3DGraphRgbColorData`* pData)

  Retrieves an indexed RGB color.

  > 2.0

  HOOPS stores colors in a global state using indexes. When given an index, call `A3DGlobalGetGraphRgbColorData`to fill in an `A3DGraphRgbColorData`instance.

      //Retrievesthecolorcodeatindex3.Usegrayshadeasdefaultcolor:
      A3DGraphRgbColorDatargb=A3D_MAKE_DATA(A3DGraphRgbColorData);
      rgb.m_dRed=rgb.m_dGreen=rgb.m_dBlue=0.75f;
      A3DStatusresult=A3DGlobalGetGraphRgbColorData(3,&rgb);
      assert(result==A3D_SUCCESS);

  Parameters

  > uiIndexRgbColor: The index of the color code

  > pData: The `A3DGraphRgbColorData`to fill in.

  Returns

  > `A3D_SUCCESS`or an error code in case of failure.

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