Safari Tests Adaptive Dark Mode, a Feature That Automatically Converts Websites to Dark Mode
05 Nov 2026
Apple has begun testing a new feature called Adaptive Dark Mode in Safari, which automatically enables websites that were not designed to support Dark Mode to be displayed in a dark theme. The feature is now available for testing in Safari 27.3 Beta.
Adaptive Dark Mode analyzes the colors displayed on a webpage and then adjusts their brightness and darkness to make them suitable for viewing in dark mode while preserving their original hues. The system can also analyze SVG and bitmap images and adjust their colors if it determines that the images have sufficiently simple visual elements.
The WebKit development team stated that most websites developed according to appropriate web standards will work with this feature immediately without requiring additional code changes. However, website developers are still encouraged to create their own Dark Mode support, as this allows them to control the design, colors, and user experience more precisely.
For users running a beta version of Safari whose operating system is already set to use Dark Mode, the browser will display a prompt asking whether they would like to try Adaptive Dark Mode. Users can then enable the feature immediately.
This change will make websites more comfortable to read in low-light environments, even if the website does not have its own Dark Mode.
Source: WebKit.org
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