If you are tired of the default grey grids of Excel, try refresh your eyes with a new color. Here’s a simple guide of how to change the color of Excel gridlines.
Open any of your Excel file. Click File tab – Options.
Click Advanced and then scroll down to find Display options for this worksheet.
Find Gridline color in the end of this section. Click the small triangle besides the paint bucket icon to open the drop-down menu.
Choose a color in the list and hit OK to confirm it.
Now the gridlines have turned into another color.