7 ms·

Image Correction for Color Blindness

46 points by Jaruzel 9y ago

limbicsystem 9y ago
Site author here - AMA (except why we haven't updated it in 10 years... ) Also - check out our other site : www.tinyeyes.com
- woliveirajr 9y ago
  www.tinyeyes.com made me open my eyes when I became a parent.
  - limbicsystem 9y ago
    Then you'll like these: VR: https://www.theguardian.com/lifeandstyle/video/2017/apr/11/first-impressions-a-virtual-experience-of-the-first-year-of-life-video-trailer https://www.theguardian.com/lifeandstyle/video/2017/apr/11/f... Podcast: https://www.theguardian.com/science/audio/2017/apr/11/first-impressions-what-can-babies-see-science-weekly-podcast https://www.theguardian.com/science/audio/2017/apr/11/first-...
- jsd1982 9y ago
  This site isn't resolving for me and neither is www.tinyeyes.com. I don't get any error, just Chrome spinning and saying "Waiting for www.tinyeyes.com", same with vischeck.com.
  - limbicsystem 9y ago
    Sorry about that - it will come up eventually - it's being hit pretty hard right now. There's a cache here: http://webcache.googleusercontent.com/search?q=cache:http://www.vischeck.com/daltonize/ http://webcache.googleusercontent.com/search?q=cache:http://...
thrownblown 9y ago
I'm pretty color deficient. I have trouble reading charts and graphs. Anything I make that's color coded uses vastly different color so that at least I can tell them apart. My UI/UX portfolio is "unique" to say the least. Subtle differences in color impossible. Can I tell the difference from Salmon or Melon? no way. Consequently I have developed a much different relationship to color than most. I tend to ignore it mostly. eg: My friend came to visit me in NYC and asked which train to take into Manhattan, I told him "Take the Q" and he said "the yellow train?" I realized that he had never really looked at the letters I had never really looked at the colors. I still have the same "emotional response" to color (i associate green with life) but I have trouble with the informational side. One last anecdote, my first "tech job" was tech support for Adobe Acrobat in the early 2000's. It was right when a great deal of the printing industry was switching to PDF's. Periodically I would get the calls related to color correction, and I was generally no help as I couldn't tell which color profile was making the print out too green.
- lb1lf 9y ago
  I, too, am severely chromatographically challenged. At a former employer, I wound up being a part-time guinea pig for our UX staff - to the best of my knowledge, we were the only major SCADA player to have dedicated GUI colour schemes for colour deficients. The downside? A number of phone calls to our support hotline made by customers who had accidentally switched to, say, the tritanopia-optimized palette. They generally went along the lines of "Geez, did you guys hire some colour-blind dimwit to do your displays?" -"Matter of fact, we did." -"Oh."
  - leipert 9y ago
    We recently had a look at these palettes: * Article: http://mkweb.bcgsc.ca/colorblind/ http://mkweb.bcgsc.ca/colorblind/ * 7-color palette: http://mkweb.bcgsc.ca/colorblind/img/colorblindness.palettes.trivial.png http://mkweb.bcgsc.ca/colorblind/img/colorblindness.palettes... * 12-color palette: http://mkweb.bcgsc.ca/colorblind/img/colorblindness.palettes.simple.png http://mkweb.bcgsc.ca/colorblind/img/colorblindness.palettes... * 15-color palette: http://mkweb.bcgsc.ca/colorblind/img/colorblindness.palettes.png http://mkweb.bcgsc.ca/colorblind/img/colorblindness.palettes... Can you or the grandparent elaborate whether they are working for you? We always try to combine color with an icon, e.g. green - check vs red - X, so that people having problems with colors are able to differentiate.
rflrob 9y ago
Another useful tool is Sim Daltonism (https://michelf.ca/projects/sim-daltonism/ https://michelf.ca/projects/sim-daltonism/). I always try to spot-check figures I'm making for scientific publications to ensure that I'm not excluding too many of my readers from being able to understand key points.
miahi 9y ago
There is a setting in the Android Developer options to simulate different kinds of color blindness live on anything displayed on screen. It's called "Simulate color space" and has 4 different settings (monochromacy, deuteranomaly, protanomaly and trianomaly). For me the Enchroma glasses made the world more colorful (now I understand why they're called high-visibility jackets). But they don't have a huge effect.
- leipert 9y ago
  I previously used a chrome extension which supports 9 different settings to simulate different kind of color blindness. https://chrome.google.com/webstore/detail/spectrum/ofclemegkcmilinpcimpjkfhjfgmhieb?hl=en-US https://chrome.google.com/webstore/detail/spectrum/ofclemegk...
threepipeproblm 9y ago
I'm surprised no one has mentioned CubeHelix -- https://www.mrao.cam.ac.uk/~dag/CUBEHELIX/ https://www.mrao.cam.ac.uk/~dag/CUBEHELIX/ -- which, as I understand it has the property of "working" just as well in grayscale. Handy not only for color blindness but for grayscale printouts of images featuring color. There is support out there for D3 and various other visualization systems.
drc0 9y ago
why does this is to me invisible http://www.vischeck.com/images/ishihara_45.jpg http://www.vischeck.com/images/ishihara_45.jpg but I can see the different colours here http://www.vischeck.com/images/oranges_small.jpg http://www.vischeck.com/images/oranges_small.jpg ?
- limbicsystem 9y ago
  If you can't see the number 45 in the first image you probably do have red/green colorblindness. But you can still see the other color dimension (blue/yellow) just fine - so most likely you are seeing some but not all of the colors in the second image.
- Prefinem 9y ago
  The first is an actual test meaning it's meant for someone who is colorblind to fail. The second is an example that some of those that failed the test, would have problems seeing.
Impossible 9y ago
I first heard about the Daltonize filter when I was working on Call of Duty. A large percentage of the Call of Duty audience is male, and by association a lot of the players are colorblind, so making the game colorblind friendly was important. This blog post by one of Activison central tech's technical directors has some interesting thoughts about colorblind filters http://c0de517e.blogspot.com/2013/02/color-blindness.html?m=1 http://c0de517e.blogspot.com/2013/02/color-blindness.html?m=...

46 points by Jaruzel 9y ago

Site author here - AMA (except why we haven't updated it in 10 years... ) Also - check out our other site : www.tinyeyes.com

woliveirajr 9y ago
www.tinyeyes.com made me open my eyes when I became a parent.
- limbicsystem 9y ago
  Then you'll like these: VR: https://www.theguardian.com/lifeandstyle/video/2017/apr/11/first-impressions-a-virtual-experience-of-the-first-year-of-life-video-trailer https://www.theguardian.com/lifeandstyle/video/2017/apr/11/f... Podcast: https://www.theguardian.com/science/audio/2017/apr/11/first-impressions-what-can-babies-see-science-weekly-podcast https://www.theguardian.com/science/audio/2017/apr/11/first-...
jsd1982 9y ago
This site isn't resolving for me and neither is www.tinyeyes.com. I don't get any error, just Chrome spinning and saying "Waiting for www.tinyeyes.com", same with vischeck.com.
- limbicsystem 9y ago
  Sorry about that - it will come up eventually - it's being hit pretty hard right now. There's a cache here: http://webcache.googleusercontent.com/search?q=cache:http://www.vischeck.com/daltonize/ http://webcache.googleusercontent.com/search?q=cache:http://...

thrownblown 9y ago

I'm pretty color deficient. I have trouble reading charts and graphs. Anything I make that's color coded uses vastly different color so that at least I can tell them apart. My UI/UX portfolio is "unique" to say the least. Subtle differences in color impossible. Can I tell the difference from Salmon or Melon? no way. Consequently I have developed a much different relationship to color than most. I tend to ignore it mostly. eg: My friend came to visit me in NYC and asked which train to take into Manhattan, I told him "Take the Q" and he said "the yellow train?" I realized that he had never really looked at the letters I had never really looked at the colors. I still have the same "emotional response" to color (i associate green with life) but I have trouble with the informational side. One last anecdote, my first "tech job" was tech support for Adobe Acrobat in the early 2000's. It was right when a great deal of the printing industry was switching to PDF's. Periodically I would get the calls related to color correction, and I was generally no help as I couldn't tell which color profile was making the print out too green.

lb1lf 9y ago
I, too, am severely chromatographically challenged. At a former employer, I wound up being a part-time guinea pig for our UX staff - to the best of my knowledge, we were the only major SCADA player to have dedicated GUI colour schemes for colour deficients. The downside? A number of phone calls to our support hotline made by customers who had accidentally switched to, say, the tritanopia-optimized palette. They generally went along the lines of "Geez, did you guys hire some colour-blind dimwit to do your displays?" -"Matter of fact, we did." -"Oh."
- leipert 9y ago
  We recently had a look at these palettes: * Article: http://mkweb.bcgsc.ca/colorblind/ http://mkweb.bcgsc.ca/colorblind/ * 7-color palette: http://mkweb.bcgsc.ca/colorblind/img/colorblindness.palettes.trivial.png http://mkweb.bcgsc.ca/colorblind/img/colorblindness.palettes... * 12-color palette: http://mkweb.bcgsc.ca/colorblind/img/colorblindness.palettes.simple.png http://mkweb.bcgsc.ca/colorblind/img/colorblindness.palettes... * 15-color palette: http://mkweb.bcgsc.ca/colorblind/img/colorblindness.palettes.png http://mkweb.bcgsc.ca/colorblind/img/colorblindness.palettes... Can you or the grandparent elaborate whether they are working for you? We always try to combine color with an icon, e.g. green - check vs red - X, so that people having problems with colors are able to differentiate.

rflrob 9y ago

Another useful tool is Sim Daltonism (https://michelf.ca/projects/sim-daltonism/ https://michelf.ca/projects/sim-daltonism/). I always try to spot-check figures I'm making for scientific publications to ensure that I'm not excluding too many of my readers from being able to understand key points.

miahi 9y ago

There is a setting in the Android Developer options to simulate different kinds of color blindness live on anything displayed on screen. It's called "Simulate color space" and has 4 different settings (monochromacy, deuteranomaly, protanomaly and trianomaly). For me the Enchroma glasses made the world more colorful (now I understand why they're called high-visibility jackets). But they don't have a huge effect.

leipert 9y ago
I previously used a chrome extension which supports 9 different settings to simulate different kind of color blindness. https://chrome.google.com/webstore/detail/spectrum/ofclemegkcmilinpcimpjkfhjfgmhieb?hl=en-US https://chrome.google.com/webstore/detail/spectrum/ofclemegk...

threepipeproblm 9y ago

I'm surprised no one has mentioned CubeHelix -- https://www.mrao.cam.ac.uk/~dag/CUBEHELIX/ https://www.mrao.cam.ac.uk/~dag/CUBEHELIX/ -- which, as I understand it has the property of "working" just as well in grayscale. Handy not only for color blindness but for grayscale printouts of images featuring color. There is support out there for D3 and various other visualization systems.

drc0 9y ago

why does this is to me invisible http://www.vischeck.com/images/ishihara_45.jpg http://www.vischeck.com/images/ishihara_45.jpg but I can see the different colours here http://www.vischeck.com/images/oranges_small.jpg http://www.vischeck.com/images/oranges_small.jpg ?

limbicsystem 9y ago
If you can't see the number 45 in the first image you probably do have red/green colorblindness. But you can still see the other color dimension (blue/yellow) just fine - so most likely you are seeing some but not all of the colors in the second image.
Prefinem 9y ago
The first is an actual test meaning it's meant for someone who is colorblind to fail. The second is an example that some of those that failed the test, would have problems seeing.

Impossible 9y ago

I first heard about the Daltonize filter when I was working on Call of Duty. A large percentage of the Call of Duty audience is male, and by association a lot of the players are colorblind, so making the game colorblind friendly was important. This blog post by one of Activison central tech's technical directors has some interesting thoughts about colorblind filters http://c0de517e.blogspot.com/2013/02/color-blindness.html?m=1 http://c0de517e.blogspot.com/2013/02/color-blindness.html?m=...