• Color Blind Check 1
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Color Blind Check

About Color Blind Check (CBC)
With Color Blind Check you get a new kind of color vision deficiency test right in your hands. The test itself is simple and easy: just find the differently colored spots which start to show up and touch them. That's all.

This color blindness test can be installed and used right away. As it is easy to understand, simple to use and you don't need to recognize any numbers, letters or forms, Color Blind Check can be done by young children as well. It is even fun to play! You can try to beat your highest CBC Score whenever you like and compare your results with your friends and family.

With Color Blind Check you get a tool at hand to share with everyone insights about your color vision or possible color blindness. People can watch you while you're taking the test and see instantly what it means to be colorblind. They start to wonder, why you don't see the differently colored spots appearing and maybe even want to give you hand!

How CBC works

Color Blind Check is based on the scientific knowledge about colors which can be seen and which not by the people who are suffering from the different types of color blindness. To get more precise results, the test is based on four different main colors and as even colorblind people are quite good in spotting brightness differences, Color Blind Check is shifting brightness constantly.

Compared to other well known tests with Color Blind Check it is NOT possible to learn something by heart and get better while retesting.

What CBC measures

CBC Score: An overall score of the test; easy to compare with others.Duration: Elapsed time for taking the test.Severity: A severity score between 0 (not colorblind) and 100 (strong color vision deficiency).PDT Score (Type): A specific score (protan-deutan-tritan) showing the type.Check Statistics: Detailed performance statistics of the check.

Color Blind Check Features


• Testing color vision deficiency in two to four minutes.
• Quick CBC for testing color blindness in 30 to 60 seconds.
• Simple to handle, no special instructions needed.
• Pause, restart whenever needed during testing.
• Cancel/stop during running test.
• Measuring type and severity of color vision deficiency.
• Statistics of how many tests have been taken.
• Direct link to most recent Color Blind Check result.
• Direct link to highest Color Blind Check score.
• Left-hand mode for easy testing.
• Testing in portrait or landscape mode possible.

If you would like to learn more about color blindness please visit http://www.color-blindness.com/. For further details to Color Blind Check you can always visit http://www.colorblindcheck.com/ and even leave a message or give some feedback if you like.

Thanks for trying Color Blind Check.

Category : Medical

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Reviews (28)

Pab. Jun 16, 2019     

This doesn't take many factors into account, like strabismus making it harder (or impossible in my case) to focus on large aspects of the display. In the time it takes me to look around the entire display it already made me loss some points. I don't have ANY degree of color vision yet that delay makes the app think otherwise. Clearly a bad design, make the test zone smaller so people don't need to move their eyes.

bah. s. Jan 11, 2020     

*CHROMEBOOK users read this* I'm using it on a chromebook with the play store, & it runs fine except it hides the app shortcuts on the taskbar as well as the button to open the system menu. It shows nothing but the app drawer, the overflow button & the keyboard layout switcher. When I closed it, & opened another app it went back to normal though.

Ben. J. Feb 29, 2020     

Hands down, no doubt, with every part of my color deficient eyes, this is absolutely the best, most accurate, most satisfying color blind test that there is. If it was a paid app, I would buy it twice.

Yeg. S. Jan 27, 2022     

I think this method of detecting color blindness and its type is the most objective. Really helped me a lot.

Jai. Sep 12, 2020     

I am disappointed. I read the description and reviews, installed the app and clicked start only to find Late, that there is an epilepsy warning when u click start. It would have been much kinder for the warning to be in the description so I wouldn't have to be doubly disappointed. If the app had cost anything I would feel very cheated for that. I hope people who can use the app find it useful.

bob. Dec 5, 2019     

I used to be just the tiniest bit colourblind, then it went away but now it's been going up to moderate and I've been doing this everyday to check my colour perception so than you, this has helped a lot.

ziy. a. Nov 24, 2020     

Easy and interesting, just like a shooting game challenge for kids. I hope health for all your kid's eyes.

Ron. d. L. Oct 25, 2020     

Excellent interface, and very usable, comparable results.

Xav. M. May 23, 2022     

Very fun, honestly more fun than most mobile games!

Nat. N. Apr 6, 2019     

I don't know. I can't download it. My phone doesn't have enough space and it isn't considering my iPad. I don't know how to add my iPad to the device options.

805. S. Jul 24, 2019     

I'm giving it 3 stars cause I guest I'm not color blinded I was able touch every box it took me few on the green one but was able manage it

Ste. O. Nov 17, 2019     

Differentiates between protan, deutan and tritan color deficiency, but does not give the user hints about deuteronopia vs deuteranomaly. A weakness, not a defect of the app.

Zhi. Z. Nov 20, 2019     

Quick and accurate, easy to handle.

Mic. H. Dec 9, 2019     

Works very well. Inline with my optometrist results.

Sea. M. Apr 14, 2020     

I kinda wish I could get the green check for an animated cell phone background.

Iva. C. May 10, 2022     

Intuitive and fun

Jov. J. Aug 1, 2020     

Convincingly most precise colorblindness test on the internet.

Tee. R. Jan 14, 2020     

Confirmed what I had been informed of. Good to get that from more than one tester.

ano. y. Jan 29, 2020     

Interesting but I came here from a website to see what colour blindness looks like, not test if I am.

MIL. N. U. C. Oct 8, 2021     

I do have lobialcplay BB ow and it stings a bit on left and right sides. Change to inverted and send mebretest please thankyou _Mila

Abb. S. Apr 1, 2022     

I feel good about this test.

Reg. M. Y. Dec 29, 2019     

I alredy know that I have some kind of colorblindness . It's called Deuton.

Ewa. d. D. Jul 25, 2019     

Title should have said "game".

Sil. M. Jul 28, 2017     

The newest version of the app renders it useless for me. I only ever used maximum brightness in the harshest of direct sunlight. Because of my light sensitive eyes I can barely see the screen. Will re-review if changed (an option in the options menu would do well I think)

Luk. T. Nov 28, 2016     

Unique app that quickly and easily identifies the type and degree of colour deficiency the user has (if any). The way the test works removes the fudge factor that exists in the Ishihara tests. I would have given 5 stars if your website didn't have the red download hyperlink obscured by a greenish background.

jos. May 1, 2020     

The test is very nice because it gives you type and exact severity of CBD. The only thing it maybe lacks is some overall statistics or information on the results, like 100 hue test has. So i get protan 37/100 and pdt type 10-0-0, what do i do with it? I would like to know how good or bad that is compared to other CB ppl, do all ppl with normal color vision get 0/100 or 1, or they get 5 or 10 maybe. Anyway I really think this is the most accurate test for colorblindness there is to find online. Good job!

Mar. M. Dec 10, 2016     

This test is so much better than the ones with numbers that I would try to guess. Cut and dried... you see the different colored square or you don't. It's neat to learn what type of color blindness I have. Thank you for this app!

Eli. H. Sep 3, 2017     

I'd give 5 stars for the functionality and zero for the language choice. Accuse me of being politically correct, but words matter. You don't call people who can see "blind". You don't call people who are typical "normal". Color does not exist out there. It exists in the brain and how it responds to wavelength. It is pejorative to term a non typical response as "not normal". Disability is a normal part of life. But the only disability here is not being typical. Typical people obuse their privilege. For what it is worth, my personal vision is typical. But your language still offends me. No one wants to offend their users. Please make the effort to not offend the population you portend to be helping.