# WCAG 2.2 – 2.3.2 Three Flashes

- Level: AAA
- Principle: 2 Operable
- Guideline: 2.3 Seizures and Physical Reactions
- Introduced in: WCAG 2.0

## What the rule requires

Nothing ever flashes more than three times per second – with no exception for small or dim areas.

## How to get it right

Remove all rapid flashing, even in small areas of the picture.

## Who benefits

- People with epilepsy

## Sources

- [This rule on wcag.dehl.net](https://wcag.dehl.net/en/wcag/2-3-2/)
- [Official W3C explanation](https://www.w3.org/WAI/WCAG22/Understanding/three-flashes)
- [Techniques (WCAG Quick Reference)](https://www.w3.org/WAI/WCAG22/quickref/#three-flashes)

_Plain-language explanation. Only the original W3C text is normative._