Delete a Color Scheme

1. Select Slide design button from the Formatting Tool Bar.

Or

2. Select Slide Show from the Menu Bar.

3. In the Slide Show, Click on the Animation Scheme

4. The Slide Design Task Pane will be appears-

5. In the Slide Design, Select Color Schemes and Click on the Edit Color Scheme
.
6. In Edit Color Scheme, Select Standard Tab.

7. Choose your color schemes and Click on the Delete Scheme