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So, you bought your fancy high-end ultra wide monitor with an IPS panel, 10 bit

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color, adaptive refresh, and an attachment for keeping your drinks cool.

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Maybe you've even used some calibration tools to get things looking just right.

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But then, when you have a friend over for Counterstrike, he starts complaining

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that the colors seem a little off. How could that be? Well, considering that

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people vary wildly in everything from

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musical ability to whether or not we find spray cheese appealing, it might

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not be surprising to learn that people perceive colors differently as well. And

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I'm not talking about really obvious things like color blindness or needing

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glasses because everything's blurry without them. What I'm referring to

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instead is variations between people's cone cells, the things in your eyes that

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allow you to see color. You have three normal types of cones, each sensitive to

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a different range of wavelengths. One kind for colors in the red to yellow

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range, one for greens, and one for blues and violets. This arrangement of cones

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actually inspired the RGB color model that you see in monitors, TVs, and

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basically every gaming keyboard for the past couple of years. Since red, green,

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and blue match up well to the three kinds of cones we have, RGB ends up

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being a great base for reproducing lots of different colors. But because some

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people have small variations in cone

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composition, our sensitivity to these different colors of light will also vary

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greatly from person to person. So to get an idea of how a regular person sees

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color, a test was conducted back in 1931

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on a handful of people and the results were averaged and have been used as a

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baseline for much of color science ever

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since, including the way that we think about display design. So, modern flat

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panel displays will give off different amounts of energy in the red, green, and

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blue parts of the visual spectrum, but they don't exactly match the proportions

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that were found in the 1931 experiment.

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To complicate things further, monitors can differ wildly from each other in how

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vividly they show each of these colors, which you can see clearly on spectral

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power graphs, which show very different amounts of energy per color between

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displays. And even though modern screens

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have better picture quality and lower power consumption than old bulky CRTs,

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those old monitors were actually better at producing uniform colors. Flat panel

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displays have narrower band color, meaning that they give off purer reds,

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greens, and blues, which show up as pointier bumps on a graph like this. But

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because of the variations in people's cone cells that I mentioned earlier,

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this makes it easier to pick up on small variations between monitors and also

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easier for two different people to be looking at the same monitor yet see

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different colors. a phenomenon called metameic failure. So when you put this

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together with other factors such as different color spaces and backlight

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types, which you can learn about in these videos, it's really no wonder that

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different people notice such drastic discrepancies in current generation

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displays. One solution which is already being used in higherend laser projectors

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is to use two different shades of red,

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green, and blue as your primaries, giving you six base colors instead of

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three. This helps spread out the color energy and make things look more

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uniform. But differences between our eyes will continue to make this a tough

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problem to tackle for some time. Until then though, we can continue to enjoy

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our arguments about whether malberry magenta and passion pink are actually

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the same color. Thanks once again, by the way, to our friend Tyler from

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Spectraal for helping us out with this video. He is like a color wizard of some

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sort. Speaking of wizardry, are you a

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wizard with accounting? Do you enjoy dealing with the books of your small

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you hear about us section. Go check it out. It's linked down below. Thanks for

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watching, guys. If you like the video, like it. If you disliked it, dislike it. If you want to check out our other

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channels, boom, right over there. Leave a comment below with video suggestions

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for future Vasters Possibles. And subscribe so you don't miss any future

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videos just like this one.