A low brightness or dimming symbol, broadly depicting a stylized orange or yellow sun-like icon with short rays surrounding a hollow circular center. Used on electronic devices and operating systems to indicate reducing screen brightness or a lower display illumination setting.

Appears smaller than the 🔆 Bright Button.

Dim Button was approved as part of Unicode 6.0 in 2010 under the name "Low Brightness Symbol" and added to Emoji 1.0 in 2015.