OpenOffice.org Calc: How To Change the Grid Lines Color
Contributed by shamanstears 
March 22, 2007 
Tagged: Windows
Instead of the normal black grid lines in your Calc spreadsheet, you can change them to be any color your choose. To do this:
1. Click Tools.
2. Select Options.
3. Expand OpenOffice.org Calc in the left pane.
4. Click View.
5. Select the color from the dropdown next to Color under Grid lines.
6. Click OK.