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First I've noticed it on my activity monitor: enter image description here As you can see Free ram color is set to bright green. And in the activity monitor itself shows color somewhat between green and yellow. Now also as you can see in bottom left corner, the dock icon's color is ok.

But in the Terminal I get the same crappy color instead of green… enter image description here

Does anyone have any idea what's wrong?


After rebooting the Activity Monitor it's colors went back to normal. Haven't tried to do it with terminal yet.

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Did you ever try calibrating your display? You could do that manually, but even better would be with a calibration device. – Gerry Apr 18 '12 at 11:48
@Gerry can you suggest any? I've never done that. – Uko Apr 18 '12 at 12:21
I personally bought the Datacolor Spyder3 Pro and am quite happy with it. – Gerry Apr 18 '12 at 12:26
@Gerry After rebooting the Activity Monitor it's colors are ok… – Uko Apr 18 '12 at 12:42
You could (have tried to) select a different color profile from the color picker, see Is it possible to disable Terminal's automatic tweaking of colors in Lion?. – user495470 Jun 1 '12 at 14:22

I have experienced this behaviour if I use different screens with the same windows. Somehow Mac OS seems to save the colour profile with the monitor where the window has been initially opened. If I open the same window on a different screen e.g. green looks different than it should be.

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