Although default colors within a SmartArt graphic may work great, you may want to explore changing colors of individual shapes contained inside the SmartArt graphic. You change colors of everything within the SmartArt graphic at one go or change colors of individual shapes within the SmartArt graphic. Follow these steps to learn how you can change colors of your SmartArt graphic in PowerPoint 2016.
Learn how to change colors for a SmartArt graphic in PowerPoint 2016 for Windows.