If you want to change the icon color then, Follow the below steps.
Step: 1 => Open the ShagunBox app and choose the Free Apps from the side menu.
Step: 2 => Now click on Trust Badge app.
Step: 3 => From the Text Icon color input field, select the icon color.
Step: 4 => Click on the Save Settings button.
Note: You can only change icons color. you can't change the color of the image's icon.