How to Make Colors Change With Validation in Excel. Excel's conditional formatting tool applies formatting depending on cells' contents. Validation rules can change cells font, style, size or border.

The default active cell format in Microsoft Excel isn't all that easy to see, but you can use this easy-to-implement code solution to change that.

In case of an error, a triangle appears in the corner of the cell. You can change the Color of an Error Indicator from green to any other in Excel.

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

How to Use If-Then Excel Equations to Color Cells. If-Then rules allow you to create colorful business spreadsheets that do more than look pretty.

Adding color creates a great visual effect, but did you know that you can evaluate values by color? Use this technique to turn color into valuable information.

Can Excel sort by color? Absolutely. In addition to sorting by values, Excel can sort by cell color, font color, and cell icon. First, you must you must define the colors for your sort columns/fields.