Hi Robyn. You can paint a toaster. Here are the steps... https://www.hunker.com/13411911/how-to-paint-a-metal-toaster
Hi Robyn, here's another post. I think the key to this kind of DIY is using the proper paint for high temperatures. http://www.thisoldhouse.com/toh/photos/0,,20454947_20895067,00.html
I agree with Kim. You will need to use high temp. paint for this.
If you do, you would need to use high heat paint... then probably heat up toaster a few times to burn off the chemical odor. Here is a link for high heat paint.