The Unexpected Amber Glow
Windows 11 features a built-in blue light filter called Night Light. Designed to reduce eye strain and promote better sleep, this feature warms the color temperature of your display, giving the screen a distinct amber or yellowish tint. By default, Windows 11 often configures Night Light to activate automatically based on your local sunset times or a pre-determined schedule. However, if you are a graphic designer doing color-accurate work, a photographer editing photos, or simply someone who prefers a crisp, white display at all hours, this automatic, unprompted shift in color accuracy can completely disrupt your workflow and ruin your visual perception.
Disabling the Night Light Schedule
To stop Windows 11 from automatically turning on the Night Light feature, you need to disable its scheduling parameters within the Display settings.
Open the Windows Settings app by pressing `Win + I` on your keyboard. In the left-hand navigation pane, ensure you are on the System tab. In the main window, click on Display. Look for the section labeled “Brightness & color” and find the Night light option. If the master toggle switch next to it is currently “On,” click it to turn it Off immediately. However, to prevent it from turning back on later, you must dig deeper. Click directly on the words Night light (or the arrow next to the toggle) to open its specific settings page. In this menu, look for the section labeled Schedule night light. Toggle this switch to the Off position. By disabling the schedule, you ensure that Night Light will never activate automatically again; your screen will maintain its default color profile permanently unless you manually engage the filter.