Privacy policy

Last updated 2026-11-09

We built Color Blind Test to collect as little personal data as possible. In short: your test answers stay in your browser.

Test answers and results

Plates are generated and scored entirely in your browser. Your answers are not sent to our servers. Your result is placed in the address of the results page so you can see and share it, and a copy of your answers is kept in your browser’s session storage (deleted when you close the tab) so you can review your plates.

Simulator images

Images you open in the color blind simulator are processed on your device and are never uploaded.

Email newsletter

If you subscribe, we store your email address, the date, the page you signed up on and, if you signed up from a results page, your result type, so we can send relevant tips. We use it only for our newsletter. You can unsubscribe at any time or ask us to delete it.

Contact form

Messages you send through the contact form (your name, email and message) are stored so we can reply.

Analytics and hosting

The site is hosted on Cloudflare. Cloudflare processes technical data such as IP addresses to deliver the site and protect it from abuse. We use privacy-friendly, cookie-free analytics that count page views without tracking you across sites. We do not use advertising cookies.

Affiliate links

Some product links may be affiliate links. If you click one, the retailer may set its own cookies under its own privacy policy.

Your rights

Depending on where you live (for example under the GDPR or CCPA) you can ask to access, correct or delete your data.Email contact@color-blind.org and we will respond within 30 days.

Children

The kids’ test collects no personal data. Our newsletter is intended for adults.