Force a specific background and accent color

Policy ID: CPL_Personalization_PersonalColors
Scope: Computer Configuration
Supported on: Windows Server 2012 R2, Windows 8.1 or Windows RT 8.1 only
Source: Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
Category: Control Panel › Personalization

Description

Forces Windows to use the specified colors for the background and accent. The color values are specified in hex as #RGB.

By default, users can change the background and accent colors.

If this setting is enabled, the background and accent colors of Windows will be set to the specified colors and users cannot change those colors. This setting will not be applied if the specified colors do not meet a contrast ratio of 2:1 with white text.

Options

Start background color:
Accent color:

Registry

ComputerHKEY_LOCAL_MACHINE

HKLM\Software\Policies\Microsoft\Windows\Personalization View registry values

PersonalColors_BackgroundREG_SZ
PersonalColors_AccentREG_SZ

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