Use solid color for Start background

This policy setting controls the Start background visuals.

If you enable this policy setting, the Start background will use a solid color.

If you disable or do not configure this policy setting, the Start background will use the default visuals.

Note: If this policy setting is enabled, users can continue to select a color in Start Personalization. However, setting the accent will have no effect.

Supported on: At least Windows Server 2012, Windows 8 or Windows RT
Registry HiveHKEY_LOCAL_MACHINE
Registry PathSOFTWARE\Policies\Microsoft\Windows\DWM
Value NameDisableAccentGradient
Value TypeREG_DWORD
Enabled Value1
Disabled Value0

dwm.admx

Administrative Templates (Computers)

Administrative Templates (Users)