To add color to the table cell, first highlight the cells you want to add color to.
Now you will see the Table Tool tab, click on the Design option under the Table Tool tab.
In Table Styles , click Shading.
Select any color you want to add to the Theme Colors panel or you can select it in the Standard Colors box .
If you can't find the color you want to add, click on More Colors .
In the Color dialog box, click on the Standard tab to select any color you like to add to the table.
Or if you want to create the color you like, you can click on the Custom tab.