Labels can be used to organize your issues and pull requests into categories based on priority, category, or any other information you find useful.
Tip: You can also create a label in the Labels drop-down menu within an issue or pull request.
On GitHub Enterprise, navigate to the main page of the repository.
Under your repository name, click Issues or Pull requests.
Next to the search field, click Labels.
Click New Label to create a new label.
In the text box, type your new label name.
Select a color for the label from the color bar. You can customize this color by editing the hexadecimal number above the color bar.
Click Create Label to save the new label.