Open Settings > Accessibility > Display & Text Size. Turn on Reduce White Point and adjust the desired intensity. Bright and high-contrast areas are reduced across the system.
Reduce White Point
Lowers the intensity of bright areas to decrease glare and visual strain.
What does this setting do?
Reducing the white point softens overly bright whites and tones down harsh highlights. This helps users with light sensitivity, visual overload or stress triggered by sudden brightness. A dedicated white point slider exists only on iOS. Other systems offer indirect alternatives like brightness controls or eye-comfort modes.
Instructions for different systems
Für dieses Betriebssystem ist keine Anleitung verfügbar.
Für dieses Betriebssystem ist keine Anleitung verfügbar.
macOS includes no dedicated white point adjustment. Lower brightness in System Settings > Display. Enable True Tone to automatically adapt the white point to ambient light. Note: This is not equivalent to an actual white point reducer.
Often mentioned in relation to the following conditions:
- Photosensitivity – Sensitivity to bright light, screen glare, or high-contrast elements.
- Age-related Vision Changes – Reduced sharpness, color distinction and tolerance for small text.
- Anxiety Disorder – Heightened sensitivity to sudden changes, alerts, flashing content or notifications.
- Autism (mild) – Mild autism-spectrum traits with sensory sensitivities to light, sound, motion or complex interfaces.
- PTSD – Potential triggers from flashing elements, loud sounds or sudden changes in the interface.
- Migraine – A neurological condition associated with increased sensitivity to light, motion, sound, and visual stimuli. Digital interfaces can quickly become overwhelming …
Commonly used for the following difficulties:
Light Sensitivity
Users with light sensitivity experience discomfort or visual strain when screens are too bright or high-contrast. Adjustments such as reducing brightness, using dark mode, or …
Screen Glare Sensitivity
Users with glare sensitivity struggle with reflections or bright hotspots on screens. Lowering brightness, increasing contrast, or using dark mode can reduce strain.
Visual Overload
Users experiencing visual overload are quickly overwhelmed by dense layouts, flashing elements, or competing visual information. Simplified displays can reduce stress.
Other settings frequently used together
Relation to WCAG guidelines
For setting to be effective, a website or app often must be technically implemented in such a way that it respects operating system and browser settings.
Developers and designers should follow the Web Content Accessibility Guidelines (WCAG). The following WCAG criteria are particularly relevant for this setting:
1.4.31.4.11