A family of Microsoft presentation graphics products that offer tools for creating presentations and adding graphic effects like multimedia objects and special effects with text.
Draw your three circles.
Select all three then choose to FRAGMENT them, using the Shape Format tab:
Now you can color each shape individually. Don't bother coloring the original three shapes to start with; once you do the fragment, they'll all assume the same color as the first-selected shape and undo your formatting.
Here's the step by step result: