1. We can change the background color of image in Photoshop. I have some short technique or idea for changing BG color of image . First open the image or document.Click on File_open the file.OR press Ctr l +’O’ and select the file.
2.After selecting image,you can select the background image using ‘Quick selection tool'(press O),polygonal loss tool or other selection tool. Clear the selecting area by ‘Edit-clear’ Or Press Delete(the layer should be unlocked).
3.Go Edit – Fill – Use color and select the color. and click on Ok. OR,
Set the foreground color in tool bar.which color do you like in background select this color.than Press Alt+Delete.Than we find the change in background color .Than save the file.
We Can see video for help.