Toggle is a user interface element that allows users to update preferences, settings, or other types of information. When using toggles, make sure they have clear and direct labels that describe the option being controlled and its current state. Also, limit the number of words in the label to avoid ambiguity. In general, a toggle is used for a choice between two opposing states (for example, no cookies vs. cookies).

Toggles are often found in common technology devices such as smartphones and tablets. They are also commonly used for changing system options such as enabling or disabling Bluetooth and WiFi. Additionally, toggles can be used to change display modes and other features.

In order to increase usability, designers often employ visual cues to help users understand the toggle switch’s current state — for example, color changes or animation. However, these methods can be confusing to some users – particularly for those with color vision deficiency. To be more inclusive, WCAG guidelines suggest that developers should not rely on colors alone to convey meaning and instead use explicit labels. Additionally, if a toggle switch has an immediate effect on the system then it should be marked as a button and use the aria-pressed attribute to indicate its state. This will ensure that users with accessibility needs have the same experience as all other users. Also, it will prevent the toggle from being unexpectedly flipped to the On state upon release.