> If you refused to look at the animation, it’s just a bluish-green background with a red circle on top that slowly shrinks down to nothing. That’s all. But as it shrinks, you should hallucinate a very intense blue-green color around the rim.
I do not believe I have any kind or amount of colorblindness, so imagine my surprise when extremely confused I pulled the image into MS Paint, used the Color Picker tool, and found that indeed, the background has quite a bit of blue in it.
Anyhow, I cannot reproduce the illusion cited. For me the circle just blurs out and I start seeing orange.
I did see the illusion but I just did a double-take. That image looks just straight green to me. I suppose I could imagine it being greener somehow, but blue!?
I have a slight deuteranomaly. I did see the illusion. Pretty!
> I pulled the image into MS Paint, used the Color Picker tool
The RGB values used are also indicated in the filename.
What you are seeing (in the static image) is normal. Have you noticed that (0, 255, 0) looks way brighter than (0, 0, 255) regardless of your monitor calibration? For the same reason, non-red images can have quite a bit of blue in them while still subjectively registering as "green".
Yeah, I don’t think I have any color blindness but that looked super green to me. I think I am fine at distinguishing two colors, but i am not the best at realizing the component colors I am seeing.
Just in case... Maybe you didn't wait long enough? I saw nothing so I came to the comments expecting a lot of others to day the animation is broken. However, it turns out it's a lot slower/longer than I thought. I saw the little bar on the left shrink to nothing and thought that was it and exited, but that's just the start. The full animation is the red circle shrinking all the way until it disappears. There is no illusion until the circle shrinks quite a bit.
If you make the outer colour yellow using the custom colour option, and the inner circle red, do you see a an aurora-green halo? Or if you make the outer circle yellow and the inner circle green, do you see a red halo?
The background turns green (???) eventually, kind of like as if ink started to spread across it.
Or you meant full yellow (255r, 255g, 0b) and full red (255r, 0g, 0b)?
> Or if you make the outer circle yellow and the inner circle green, do you see a red halo?
I used the controls this time and made the background full yellow (255r, 255g, 0b) and the inner circle full green (0r, 255g, 0b). Also adjusted the countdown speed, I realized I wasn't patient enough to wait out the 60s before ever (but that also it didn't need to be so long).
During countdown the entire image turned green. Whenever my eyes would move a bit, I'd see either a 3D shadow depth effect or a yellow aura around the circle. When the circle started getting smaller I just saw the yellow aura. Whenever I'd drastically move my eyes, the entire background would revert to yellow, but would quickly go back to seeing green.
I don't really see them being unusually saturated though, but maybe I just don't have a good grasp on what to expect. Maxed out R/G/B or C/M/Y all strike me as super saturated from the get-go.
Do you have a setting on that shifts the screen colors towards red in the evening to avoid blue light?
For the first question, I see a green halo.
For the second question, I see something in between what you and blincoln see. The halo I see is definitely orange, not red. During countdown, the outside of the circle became greenish-yellow, but I could distinguish between the circle and outside the circle.
I believe they are simply describing the color components, just like you don’t “see red” in a soft orange color.
Did you wait for the black bar to finish, and the circle to start shrinking? Takes a very long time. The effect happens at the edges and disappears if you remove your focus from the center dot.
I have mild achromatopsia and can see the effect in all color variants I tried.
100% accuracy, 25/25 correct. That said, some of them were extremely difficult, way more than others. Not sure if that's intentional, so I might still have color vision deficiency per se.
I also did the Farnsworth-Munsell 100 hue discrimination test, got a score of 28 on that - ideal being 0, and above 4 meaning something is amiss. So I don't really know what to make of this lol
Redid these tests together with a colleague. Either they are fake or they are badly coded. We double checked the ordering with a color picker and we both ordered by hue angle just fine, yet various tests would keep reporting poor results. Eventually, tests would then flip and start reporting really good scores. Got 2s and a 0 at some point.
Now either we both fluked it the first few times or these tests are genuinely not trustworthy. I find that pretty unlikely, but what I do think I know is that I do not have CVD after all.
I just came to comment this after doing this test and scoring 80+ twice. Went to another site and scored 0. The previously linked site really seems to have some issues with this test.
I do not believe I have any kind or amount of colorblindness, so imagine my surprise when extremely confused I pulled the image into MS Paint, used the Color Picker tool, and found that indeed, the background has quite a bit of blue in it.
Anyhow, I cannot reproduce the illusion cited. For me the circle just blurs out and I start seeing orange.