PowerPoint has theme colors. Each design (template) has a different set of colors. You want to find particular photos / images which match the theme colors. Sounds like a difficult task? Not at all. Use Insert – Online Pictures – Pexels. Install the software and search. Type the keyword and click on the color you want. Try it out now. For details read this article. Here, I searched for orange colored cars.
That’s it. Simple and effective.