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Excel Object Model: Range.Interior

'
'   ..\..\..\runVBAFilesInOffice.vbs -excel interior -c Go
'

public sub Go()

  dim x as long, y as long

  for x = 1 to 10
  for y = 1 to 10

      cells(x, y).interior.color = rgb(25*x, 25*y, 30)

  next y
  next x
  
  activeWorkbook.saved = true

end sub

Github repository about-MS-Office-object-model, path: /Excel/Range/interior.bas

In order to remove the filling color, the interior's .pattern property must be set to xlNone:

cells(x, y).interior.pattern = xlNone

Excel Object Model: Range.Interior

See also