When the track changes icon is active, the icon will appear ___.

The answer to the given question is "yellow in color".

Explanation:

In the given question the answer is "yellow in color" and the description of the Task changes icon can be given as:

Task changes icon is a part of the Microsoft word. This icon is on the Review tab. Task changes are an editing command that is used for creating an authorized document and it also provides a facility to make changes to the document.

when we move our mouse on this icon it will appear in yellow. That's why the answer to this question is "yellow in color".