What is Reaction Time?

Reaction time is how quickly you can respond to a stimulus. In this test, click as soon as the screen turns from blue to green.

Performance Categories

  • Under 180ms: Excellent - Professional athlete level
  • 180-200ms: Very Good - Above average
  • 200-250ms: Average - Normal for most adults
  • 250-300ms: Below Average - Room for improvement
  • Over 300ms: Slow - Practice recommended

How to Play

  1. Click the blue screen to start the test
  2. Wait patiently for the screen to turn green
  3. Click immediately when you see green
  4. Your reaction time will be displayed
  5. Take multiple attempts for better accuracy

Tips for Better Results

  • Stay relaxed and focused
  • Don't try to anticipate the color change
  • Make sure you're well-rested
  • Practice regularly to improve
  • Minimize distractions around you

Reaction Time Test

Wait for green...

Click to start

Pro Tip: Don't guess when the screen will turn green. React only when you actually see the color change!