How to Change Background Color of Default Sign-in Screen in Windows 8 and 8.1

In Windows 8, there are two sign-in screens, and each has their own background color.
The first is the user's sign-in screen that only shows that user to enter their password.
The second is the default sign-in screen that shows all user accounts like in the example screenshot below.
This tutorial will show you how to change the background color of the "default" sign-in screen that displays all user accounts in Windows 8, Windows RT, Window 8.1, and Windows RT 8.1.
You must be signed in as an administrator to be able to do the steps in this tutorial.
The first is the user's sign-in screen that only shows that user to enter their password.
The second is the default sign-in screen that shows all user accounts like in the example screenshot below.
This tutorial will show you how to change the background color of the "default" sign-in screen that displays all user accounts in Windows 8, Windows RT, Window 8.1, and Windows RT 8.1.
You must be signed in as an administrator to be able to do the steps in this tutorial.
EXAMPLE: Default Sign in Screen in Windows 8 and 8.1
1. Press the :winkey: + R keys to open the Run dialog, type regedit, and press Enter.
2. If prompted by UAC, then click/tap on Yes.
3. In Registry Editor, navigate to the location below. (see screenshot below)
NOTE: If you do not have an Accent key in the left pane, then right click on Explorer, click on New and Key, type Accent, and press Enter.
Code:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Accent
4. In the right pane of Accent, right click or press and hold on an empty area, click/tap on New and DWORD (32-bit) Value, type DefaultColorSet, and press Enter. (see screenshot below step 3)
NOTE: If you already have the DefaultColorSet DWORD, then skip this step and go to step 5 below.
5. In the right pane of Accent, double click/tap on DefaultColorSet to modify it. (see screenshot below step 3)
6. Dot Decimal, and enter a number between 0 to 24 for the color in the tables below that you want the default sign in screen to have, and click/tap on OK. (see screenshot below)
012345678