Contact Us
Questions, corrections or feedback about the tests? We would like to hear from you.
How to reach us
Email is the best way to reach us. We read every message and aim to reply within a few working days.
- [email protected]
What you can write to us about
- A mistake in a test, a result or a translation
- A plate that looks wrong on your screen
- Ideas for new tests or languages
- Advertising, partnership or press enquiries
- Privacy requests
Before you write
We cannot give medical advice or interpret your personal result by email. If you are worried about your colour vision, please see an optometrist or ophthalmologist.
If you are reporting a problem with a test, tell us which test it was, your device and browser, and the language you used.
Your message
We use your email address only to reply to you and never add it to a mailing list. See our privacy policy for details.