You can change the color of individual worksheet tabs to make them stand out from the rest. For example, you could make Sales the color green, Expenses the color red, Assets the color black, etc.
1. Right-click on a tab in the tabsheet at the bottom of the current worksheet.
2. Select Sheet Properties.
3. Select the Tab Color tab.
4. Uncheck the Use System Color checkbox.
5. Select the desired color from the dropdown.
6. Click OK.