To change Gridline color in Excel, use Excel Options, apply a custom-colored border to the cells, or apply a custom line color. Full details here.

Learn how to create a drop-down list in Excel without or with color using conditional formatting and data validation rules.

How to Save Custom Color in MS Excel 2007. If you use Microsoft Excel for your business, you can customize the colors in your spreadsheets and graphs to brand your work; this is particularly ...

Color can make it easier for people to identify important information, such as legends on an Excel graph. Professional designers learn to use color coding effectively to make websites ...