Color Blindness Tests
Many people are looking for a possibility to test their color vision on the web. Unfortunately there aren’t many color blindness tests available online. So this page shall bring together a series of tests to check your personal type of color vision deficiency and the severity of it.
Please be aware that your personal computer display settings, ambient light and other factors can affect your test result. If you want to get an accurate diagnosis of your color vision deficiency, please visit your local eye specialist.
Color Arrangement Test
In 1947 Farnsworth released the D-15 dichotomous test. This is to this day one of the most famous color vision deficiency test and definitely the most famous color arrangement test.
You simply have to arrange the given colors in the correct order of colors. If you are suffering from some form of color blindness, you will arrange them quite differently compared to persons with normal color vision.
With this test is not only possible to check the type of your color vision deficiency but also its severity. Unfortunately the test results are not completely reliable, which is a base problem for all types of online color vision tests. But the result will be a good indicator of your correct color vision abilities, specially if you take it under different conditions.
RGB Anomaloscope
This is my first try to develop a simple red-green color blindness test. It is based on the idea of the real anomaloscope, made from two different light sources which have to be brought to a match.
Just match the left color to the right one using the slider below the box. If you can match several of them you are definitely red-green colorblind. Originally I wanted to retrieve more detailed information from the test results. But it didn’t work out—yet.
March 20th, 2008 at 0:24
It states above that if yu CAN match several of them then you are definatly red-green colourblind…is it ment 2 say if you CANT ?? xx
March 20th, 2008 at 8:02
Emma, no the wording is correct. You can only match the colors when you are colorblind. Non-colorblind can’t make a match because there are never the same colors displayed.
June 4th, 2008 at 4:22
This test is interesting. A problem occurs when the colour on the right aproach a pure yellow. At this point a very close match is possible. The difference can be as low as 1.2% (eg Left RGB=255-255-0 Right RGB=253-253-0) This means that people with normal color vision will probably get a wrong result.
June 16th, 2008 at 14:11
I am almost certain that I am colourblind and this test tells me that I am not. I believe that this test is good for detecting whether or not the person has a dichromacy.
June 17th, 2008 at 18:59
well i can’t really tell, but i was playing with my cat and this came to mind so i turned on my laptop and googled cats and dogs being color blind. are they a little bit color blind, all the way color blind, or are they just like us?
July 1st, 2008 at 13:35
Surely the results depend on the setup of your monitor also. I have passed all regular aviation colour blind tests and yet this test tells me I have strong red-green colour-blindness…odd discrepancy!
July 30th, 2008 at 4:13
well this test says that I am moderately-severely blue-green colorblind.. but I was tested by the eye doc when i was about 8 (now 18) and I was told that it was very mild and that it was only with colors that are close such as some reds and pinks or blacks and blues..
July 31st, 2008 at 14:03
Strange, the test has just told me that I am moderate to strong red/green clourblind but I’m not!! I have had eye tests previously for the armed forces and police with no problems. I was looking on the site as my son has recently been diagnosed as red/green colour blind.
August 11th, 2008 at 4:03
i’m a doctor,come from indonesia.i interisted in color blind, coz i worked in police hospital. as a doctor, i had to eximine the candidate for policeman.one of the test is colorblind test. so i think the ishihara plate was a standard for the test. i’d looking for the further test 4 colorblinds.. thx
August 20th, 2008 at 11:44
It says Im moderately to strong red/green colour blind yet Ive never had any problems …
I am light sensitive however could this ahve affected my results?
August 31st, 2008 at 5:57
My ten years old son could match all of the colors exept for one of them, but i couldn’t fully understand the graphic that evaluate it…
Can ya explaine it to me?
Thankz in advanced!!
September 5th, 2008 at 21:16
Flor, one side consist of a mixture of green and red and the other has this mixture stable at 50/50, only changing its brightness. Now, if you can match more values this means your color blindness is more severe. So the longer the line from left to right the more red-green colorblind you are.
October 24th, 2008 at 8:08
Hello, this is a interesting test and you guy did a great job. Thanks for sharing.
December 27th, 2008 at 18:29
Mr. Flück, really interesting test. I took it myself and also my wife, daughter and brother-in-law. Being myself strongly colour-blinded the results from the test were pretty much consistent with those one might expect of it (I matched all but one colour scheme). The same applies to to my folks (which managed not to match all but one of the frames).
Congrats for the nice job,
Andre Morandi
Rio de Janeiro, Brazil
March 3rd, 2009 at 9:15
what is more important, the abilty of the eye to see color? or the mind to memorize color….can a color blind memorize the name of a color that a normal person can see, base on the color shades he can see< …
March 18th, 2009 at 1:23
kinelskie, I do not believe that a colorblind person could memorize the color because as such, they literally cannot tell the difference, so they would have nothing to memorize besides context cues and the color as they see it (which, if they are colorblind, they misidentify).
Anyway, I browsed across this site because, being St. Patrick’s Day, I was a little bit stunned how many people called my green shirt blue. It’s sort of a dark teal, imo more green than blue. I took the colorblindness tests here, and I have taken them at the optometrist before and always passed. I believe the situation you describe would only be possible with a person such as myself, where apparently I am not colorblind, but I seem to have a learned bias. I can tell the shades are different and place them along a spectrum in the correct order, but I guess I tend to shift the names to the right a little bit on the latter half of the spectrum.
April 22nd, 2009 at 14:55
Respected Sir,
As i am a boiler panel engineer and want to boost my career in Cairns energy which is a MNC and i have a colour blindness and could not read all ishihara plates and so,they have hold me so pl.can you tell me is it necessary or not ?as a panel engineer in europe to pass compulsory or it is a tolerable is there any case like me in anywhere in world
May 11th, 2009 at 4:57
Hi, I know I’m colour blind but didn’t know what type, according to the test I’m severely red-green colour blind but I was wondering if you knew of any blue-red colour blindness tests.
June 18th, 2009 at 8:36
I’m Brix Flores from Philippines, 25 years of age and im very much interested with the topic regarding “COLORBLINDNESS”. I want to learn and study and have some information about it if this type of visual deficiency can positively cure or not or just for life deficiency…? Im very much degrade coz i have it.. thanks hope anyone could reply to this. i don’t know what to do..
July 7th, 2009 at 12:54
hi ..
i dont understand the result graph
September 16th, 2009 at 15:58
hi i want to join the australian army can you tell me the requirments for these jobs:commando,infantry soldier and tank officer thanks
October 23rd, 2009 at 0:33
If it takes us longer, our average speed will be lower. ,
November 6th, 2009 at 14:09
hi..
i am okan from turkey. i am a color blind according to ishiarra plates. i didn’t read any of them. so i couldn’t pass the exam for turkish army, because they don’t want to take any color blind to army. but according to these two test up ahead, i am not a color blind. yes the results says ” you are not a color blind” i don!t understand anything. now i am wondering that i am a color blind or not. i just a little confused. bye bye.
November 8th, 2009 at 9:48
colour blindness tobic is very inpartant to my knowloge confused lite green and lite orrange any help me mail to bakthasun@gmail.com. So You Read this mail very much degrade coz i have it.. thanks hope anyone could reply to this. i don’t know what to do..
December 31st, 2009 at 12:41
Samantha. Dogs are colorblind but cats are not, cats dont have as good of color vision as us but they have it
January 4th, 2010 at 9:11
Okan. You cannot, repeat cannot rely on Ishihara. You must go and see an eye specialist to get a more accurate result.