Make sure it's plain color. Select the background image or video you wish to replace instead of chroma color in background. That’s it ! The Background Chroma color will be replaced with the photo or video you selected in the Camera. You can take a photo or record a video. Go ahead , be creative and try out with different background available in the app, you can also you any image in your phone as background. Share your creations with your friends on various social media platforms. You can even save your Chromavid on your device storage. Hope you enjoy using Chromavid. Please rate us on Appstore if you love us. Tag us on Social media. EULA :https://www.apple.com/legal/internet-services/itunes/dev/stdeula/