​ ​ Double-click the shape or other object you want to match the color. (Yes, you can select multiple colors. Press Ctrl + click the shape.) Then click any of the color options, such as Shape Fill in the Shape Styles group on the Format tab under Drawing Tools ".

      
How to use the color picker in PowerPoint 2013

Using the color picker, click the color you want to match and apply it to the selected shape or object.

      
How to use the color picker in PowerPoint 2013

As you move the pointer around different colors, a live preview of the colors will appear. Hover or pause over a color to see its RGB (red, green, blue) color coordinates. Click on the desired color. When many colors are clustered together, a more accurate way to get the exact color you want is to press Enter or the spacebar to select the color.

      
How to use the color picker in PowerPoint 2013

To cancel the color picker without selecting any color, press Esc.

Tip: You can also match colors anywhere on the screen. After clicking the Color Picker, click and hold the mouse button as you drag the mouse to the color you want to match. When you move out of PowerPoint, the color picker disappears, but the color will still be previewed and matched.