How to fill my desktop wallpaper background with black?

I used to be able to do this in Windows 7. Basically if my desktop photo doesn't fill the screen, there's a color that fills the rest of it. I can't see anywhere to change this color to just black. I can change the whole screen to grey, or have my image cover the entire desktop, but I'd like to just have an image in the middle, and the rest of the desktop black around it. Can anyone help? I apologize if this is an easy fix and I'm just missing it.

Thank you. I see those settings and have tried them, but when I choose a picture for my desktop it just fills in whatever color I've already selected, none of which are black. See the images below.

@blinky63:

Open Windows Paint, create a fresh canvas in your screen's native resolution (1-3), fill that with black (4-5), in an other instance of Paint, open an image that is smaller than your native resolution, (or resize it), copy and paste that into your black canvas (6), save to your Wallpaper folder.

Ok thank you. I just wanted to make sure it wasn't hidden somewhere. Thanks for your reply.

blinky63 said:

Ok thank you. I just wanted to make sure it wasn't hidden somewhere. Thanks for your reply.

I don't think you can choose a solid color background, then choose a picture background and expect the changes to stick; I could be wrong though.
However, creating your own custom wallpapers makes it easy to switch them up quickly! :)

Welcome to the forums, btw! Enjoy! :)