I have been searching for a few days now. I have used the Beagleboard site, 
google groups for the beagleboard site, stackexchange etc. 

On Friday, July 10, 2015 at 4:38:43 PM UTC-4, William Hermans wrote:
>
> David,
>
> Yes, others have experienced this problem. As I've seen a few post on 
> similar subject over the past couple years. While I can not say 100% what 
> will fix this issue for you, most of the posts I remember seeing seemed to 
> be with reversed, or swapped colors.
>
> So without remembering the exact details of every post. What I can do is 
> perhaps help you, help yourself. If you go into the beagleboard.org 
> google group, and refine your search by date. You should be able to find 
> the posts I'm talking about. What exact keywords to search for . . . well 
> that you'll have ot experiment with. Color will definitely be one of them. 
> . .
>
> On Fri, Jul 10, 2015 at 1:28 PM, David Alston <[email protected] 
> <javascript:>> wrote:
>
>> I still have the same problem after adding that into xorg.conf. Putting 
>> the process I used here in case I screwed up:
>>
>> sudo nano /etc/X11/xorg.conf
>>
>> Then I made the changes and saved (Ctrl O) then exited (Ctrl X)
>>
>> Then rebooted. I went to the desktop with no issues, but the color 
>> problem persists.
>>
>>
>> On Friday, July 10, 2015 at 4:16:23 PM UTC-4, Sean S wrote:
>>>
>>> You're right, it is to do with 16 vs 24 bit colour, see 
>>> https://groups.google.com/d/topic/beagleboard/PjKwp6XCNnA/discussion 
>>> for a fix that worked for me.
>>>
>>> On Friday, July 10, 2015 at 12:09:36 PM UTC-7, David Alston wrote:
>>>>
>>>> I have been having issues with my beaglebone black when connecting to a 
>>>> monitor over HDMI. Certain colors are missing from the output as shown in 
>>>> the attached images. From looking around it may be an issue with the 
>>>> sitara 
>>>> processor on the BB, possibly having to do with 16 vs 24 bit color. 
>>>> However 
>>>> I could not get a workaround form what I have come across. Has anyone else 
>>>> had similar problems? Ideas for a fix or solution? Any help would be 
>>>> greatly appreciated.
>>>>
>>>> FullSizeRender is the test image on a windows machine, FullSizeRender2 
>>>> is as it appears on the BB using Imagemagick.
>>>>
>>>> Let me know if more information is required.
>>>>
>>>  -- 
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>

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