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.

Errors can occur in Excel due to users typing the wrong formula references, accidentally deleting an important cell or row in the spreadsheet, and more.

If Excel is not highlighting cells in the formula, enable 'Allow editing directly in cells' and 'Enable fill handle and cell drag-and-drop' in Excel options.

Excel allows defined functions to be executed in Worksheets by a user. Instead of a formula based on the color of a cell, it is better to write a function that can detect the color of the cell and ...

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.