1. Select the eyedropper tool from the ribbon

2. Hover the eyedropper icon over the desired color in the presentation

3. Click on the color to select it

4. Open the color palette and select the eyedropper tool from the menu

5. Place the eyedropper over the desired color and click to select it

6. The color has now been added to the palette, select it to apply it on other elements in the presentation.