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Rest for Weary Eyes: Switching Your Display to Grayscale

TMO Quick Tip - Rest for Weary Eyes: Switching Your Display to Grayscale

by , 7:30 AM EDT, October 20th, 2006

Long hours working in text editors and word processors can be a strain on your eyes, especially since the bright white background of a document window can result in a harsh contrast against the black letters in the words you type. If you don't need to see different colors in your document, switching your display to grayscale can help keep your eyes from wearing out as quickly, and can even help extend your laptop's battery life.

You can switch your display from color to grayscale in the Universal Access Preference Pane. Here's how:

  • Launch System Preferences. You can find it by choosing Apple menu > System Preferences.
  • Select Universal Access.

  • Use the Universal Access Preference Pane to switch your display to grayscale.
  • Click the Seeing tab.
  • Check Use grayscale under the Display options.


Grayscale is still an option on today's modern Macs.

If I plan to work for several hours on text-only documents, I switch my display to grayscale. My eyes appreciate it, and when I am using my PowerBook on battery, it tends to run longer before I have to recharge. When I'm ready to switch back to a color display, I simply uncheck the Use grayscale option.


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Observer Comments

Show: Subjects Only | Full Comments
Close Name:Bosco Posts: 1002 Joined: 03 Jun 2002
Subject: If my eyes are gonna wear out...

I just hope they go before my good looks. But so far, eyes and looks are intact. I wonder if you can hawk a worn out eye on eBay. Probably not a brown one... Well, if you've got blue or grey eyes, you probably can.

As for the battery claim though... I'm sure it has more to do with backlighting. You don't need as much for grey as for color. Right?

Close Name:Mikuro Posts: 457 Joined: 15 Jun 2002
Subject:

When you have it on grays, I assume it's using only 8 bits instead of 32. I guess that would lighten the load on the graphics card and any drawing routines.

I haven't used grayscale mode much since OS 9, where it specifically said it was 8-bit. Back then I definitely noticed a speed increase, which was especially noticeable when watching movies that were a little too demanding for my old computer. But in OS X, grayscale mode sends my Exposй performance down the drain. I guess Quartz Extreme can only function in full color.

Close Name:Guest
Subject: There's a problem with this hint

I tried doing this a couple of months ago with my iMac G5, and I was very surprised to find that my system graphics were actually SLOWER in grayscale mode.

At first I thought I was imagining things, but I ran numerous subjective tests - moving windows around, scrolling, and other actions that require rapid screen redraws - and the system was indeed more sluggish in greyscale. Don't know why, but that was my experience.

Since then I have worked to minimize color in my day-to-day use. My theme is the graphite one instead of Aqua; I've grayscaled my Dock icons and desktop pic, and I've removed unnecessary toolbars and such when using my favorite apps. Definitely much easier on the eyes overall - which, by the way, is why I believe Apple is moving to a more low-key, graphite-based UI for its apps like iTunes (and, presumably for all of Leopard).

Close Name:BanjoBanker Posts: 86 Joined: 27 Dec 2004
Subject: old eyes

I am going to try this, sometimes my old eyes are very tired.

Close Name:Krioni Posts: 15 Joined: 26 Nov 2001
Subject: Try Black on White

Try Black on White - it's much easier on my eyes when reading text.

Close Name:iJack Posts: 313 Joined: 13 Jun 2001
Subject: White on Black

If you have followed the instructions above and set Grayscale, then, Black on White, the screen is still pretty glaring from all the white. YOu can also choose White on Black. If it's late and you just want some temporary relief from all that glaring color without going to the Universal Access Pref pane, you can press Control+Option+Command+8 and get a sort of hybird mostly-white-with-some-color on a black background. It's pretty cool.

Close Name:Devilz Posts: 4 Joined: 19 Nov 2003
Subject:

I had a client call me with the inverse "problem" since I had never messed around with the Universal Access Pref I was baffled at first, took me a few minutes to find the solution but yes the screen was odd but cool at the same time. What was odd was the fact that Apple Support was unable to come to a conclusion as to why his screen was inversed even after being bounced up the support ladder.

Close Name:Guest
Subject: How can i do this on Windows platform?

How can i do this on Windows platform?
It'seem there is no way to do this!
Is that right?

Close Name:LaurieF -   TMO Forum Mod Posts: 3547 Joined: 15 Jun 2001
Subject: Re: How can i do this on Windows platform?

Quote
Anonymous wrote:
How can i do this on Windows platform?
It'seem there is no way to do this!
Is that right?


I have no idea. Is it right? By Microsoft's standards, quite possibly. But you're asking the wrong people. Try www.microsoftobserver.com, or www.windowsobserver.com (which does actually exist) or www.billgatesIwillcopyMacOSeventually.com (which, surprisingly, doesn't).

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