How to implement the perfect Dark Mode in your app
Avoid eye strain for your users by using native CSS variables and respecting their operating system preferences.
In FenixDevApp, we design thinking about the visual well-being of users. Dark mode is no longer an extravagant design option; It is a basic accessibility and energy saving feature on OLED/AMOLED displays.
1. Respect system preferences
Use the media query `prefers-color-scheme` in your CSS to automatically inherit the settings that the user has set at the operating system level (iOS, Android, Windows or macOS).
2. Don't use pure black (#000000)
The extreme contrast between the white of the texts and the absolute black generates a "halo" effect that strains the eyes. Instead, use very dark grays or space blues (such as `#0f172a` or `#121212`) for restful reading.
3. State persistence in LocalStorage
Allows the user to change the theme manually with a floating button and saves their choice in `localStorage` or a cookie to avoid the annoying "white flash" when reloading or navigating between different pages on the site.
Usability Doesn't Sleep
Well-designed dark mode improves user retention at night and demonstrates professional care in the technical details of your web interface.
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