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What is the best colour temperature of the computer screen for the eyes?
Շարքի հրապարակողը: Małgorzata Gardocka

Tom in London
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Local time: 07:42
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Best of luck with getting paid Jun 28, 2018

The best colour temperature of the computer screen for the eyes is in this area (lighter or darker, other neighbouring shades of blue/green):

Screen Shot


 

Małgorzata Gardocka  Identity Verified
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Tom, I don't understand what you mean by "Best of luck with getting paid" Jun 28, 2018

Tom, I don't understand what you mean by "Best of luck with getting paid". Could you explain, please? What has my question about computer screens have to do with getting paid, according to you?

 

Rolf Keller
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Don't overvalue the color temperature while failing to see other light issues Jun 28, 2018

Never ignore the light that doesn't come from the screen.

Generally the monitor should be placed at right angles to the window.

If you place the monitor's front towards the window, direct light from the window reaches the screen. So the screen's glass glares (even it is a non-glaring screen) and the image details are spoilt, because the screen is a luminous object like a lamp.

If you place the monitor's back towards the window, things are worse at well. Th
... See more
Never ignore the light that doesn't come from the screen.

Generally the monitor should be placed at right angles to the window.

If you place the monitor's front towards the window, direct light from the window reaches the screen. So the screen's glass glares (even it is a non-glaring screen) and the image details are spoilt, because the screen is a luminous object like a lamp.

If you place the monitor's back towards the window, things are worse at well. The light arriving from the window is extremely stronger (1000x) than the light from the screen. Photographers who use exposure meters know that. So the eyes have to cope with a huge contrast.

In both cases the eyes are strained.

A third issue is a lamp that illuminates the screen and/or can be directly looked into, so the best lamp is a lamp that illuminates the ceiling only.

IMO the light issue is at least as important as the scree's color temperature. Actually the color temperature settings are intended for viewing & checking photographs etc that will be published; in such scenarios it is important to see & assess the unspoilt colors.
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Małgorzata Gardocka
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Małgorzata Gardocka  Identity Verified
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Անդամ (2010)
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Thank you very much for this clarifying post, Rolf! Jun 28, 2018

Thank you very much for this clarifying post, Rolf!
When you write "Actually the color temperature settings are intended for viewing & checking photographs etc that will be published; in such scenarios it is important to see & assess the unspoilt colors" do you mean the default settings of Windows?


 

DZiW (X)
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not colorimetric alone Jun 28, 2018

First, an old low-end monitor hadrly could be of any match to professional hardware, not to mention the screen size, angle, and distance. Self-obvious.

Second, there come “Pupil reflex” and “Focusing/Accommodation Reflex”, which among other auto-exposition things explain why it takes some five seconds to adapt to a higher brightness, but up to five minutes to a low brightess. Remember, that all bright/contrast/moving elements in the screen and about also distract the eyes.... See more
First, an old low-end monitor hadrly could be of any match to professional hardware, not to mention the screen size, angle, and distance. Self-obvious.

Second, there come “Pupil reflex” and “Focusing/Accommodation Reflex”, which among other auto-exposition things explain why it takes some five seconds to adapt to a higher brightness, but up to five minutes to a low brightess. Remember, that all bright/contrast/moving elements in the screen and about also distract the eyes.

Third, the microcontrast vs megacontrast issue. While color-matching and ‘magicbright’-like technologies are ok, yet proper calibration requires some test/reference pictures to match brightness and contrast together (check the internet for your monitor resolution images).

Fourth, the color temperature of 5500K is about a standard white paper, whereas lowered brightness fits for texts. However, working with both texts and charts, I prefer sRGB for viewing and AdobeRGB for color printing.

Fifth, because of monitor back-lighting, the screen flickering issue is still common for cheap and old hardware. Just use a digital camera to check a working monitor or try pentesting—moving a pen (or pencil) quickly in front of the monitor to see whether it leaves “pens” or looks as a solid move. If it fails, then consider a better monitor.

Short breaks is a must, and, as Tom wrote, a solid grayish (blue-green) background though not so attractive, yet doesn't abuse the eyes.

Cheers
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Małgorzata Gardocka
 

Rolf Keller
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Local time: 08:42
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Monitors can be calibrated Jun 29, 2018

Małgorzata Gardocka wrote:

in such scenarios it is important to see & assess the unspoilt colors" do you mean the default settings of Windows?

No. With "unspoilt" I meant that the original colors of the image source in question are not changed by an unsuitable setting. You'll find such settings in Windows and in your monitor resp. in your monitor's Setup App (if not a very cheap model).

There is no default setting that fits to all graphics sources:
https://photographylife.com/how-to-calibrate-your-monitor

(calibration includes color temperature and some other settings)


Małgorzata Gardocka
 
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What is the best colour temperature of the computer screen for the eyes?

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