ALV Color Coded

Below is color code for ALV. I'm using ALV OOO to generate this color.

  DATA: lr_columns TYPE REF TO cl_salv_columns,
        lr_column  TYPE REF TO cl_salv_column_table.

*  Set Color
  TRY.
      DATA: ls_color TYPE lvc_s_colo.                      
      lr_column ?= lr_columns->get_column( 'DMBTR' ).
      ls_color-col = 4. "greyblue_int
      ls_color-int = 1.
      ls_color-inv = 0.
      lr_column->set_color( ls_color ).
    CATCH cx_salv_not_found.                           

  ENDTRY.