The feature that inverts the color scheme of the WhatsApp application on Apple’s mobile operating system, iOS, presenting light text on a dark background. Its implementation addresses the needs of users who prefer a low-light interface, particularly in dimly lit environments, to reduce eye strain and conserve battery life on devices with OLED screens.
The introduction of this display setting provided a more comfortable visual experience, especially during nighttime usage. It significantly reduced the emission of blue light, which is known to disrupt sleep patterns. The availability of this feature marked a crucial step in enhancing user accessibility and promoting digital well-being. Its adoption aligned with a broader trend across applications and operating systems offering system-wide dark themes.