You can also use a hex code, such as '#008000' or an RGB code, such as 'rgb(255, 192, 203)'. To replace the color of an input GIF, use the options and enter the color's name. You can add a solid color background to a transparent GIF, remove a solid color background from a GIF and make it transparent, or change one background color in a GIF with another color.
This is a browser-based program that changes the background color of static and animated GIFs.