Download your social media icon with the color and shape you wanted, never been so instant and quick.
The .svg file format is just the best to use ; it’s free, open-source, and you can add at is it to your Website, whatever the size you use the weight will remain small, it's a vector. Much it's the best for phones nowadays which use higher "ppi" (pixel per inch) density.
For desktop design, you can also rasterize it at any size you want, using the usual photo editor as Photoshop or Gimp. Nothing 've been more easy.