User Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:50.0) Gecko/20100101 Firefox/50.0 Build ID: 20161129173726 Steps to reproduce: Setup default Ubuntu/Lubuntu/Xubuntu machine. Update all packages (sudo apt-get update and sudo apt-get upgrade) Login locally and open Firefox and goto an image heavy website like https://www.reddit.com - Colors will appear correct - See attachment Screenshot_Correct_Colors_Firefox.png Install/Configure xRDP (instructions noted here, http://www.tweaking4all.com/software/linux-software/use-xrdp-remote-access-ubuntu-14-04/ RDP into Lubuntu/Xubuntu machine and open Firefox and goto an image heavy website like https://www.reddit.com again. - Colors will appear incorrect/swapped/blue tint - See attachment Screenshot_Incorrect_Colors_Firefox.png Please let me know if there are any additional troubleshooting steps you would like me to perform to assist. Actual results: Colors will appear incorrect/swapped/blue tint - See attachment Screenshot_Incorrect_Colors_Firefox.png Colors appear to be swapped on websites when viewing desktop using xRDP/VNC. Issue seem to start around Firefox 50 release. Tested on fresh Lubuntu 16.04.1 and Xubuntu 16.04.1 installs. Expected results: Colors will appear correct - See attachment Screenshot_Correct_Colors_Firefox.png Issue appears to only be related to Firefox as no other applications appear to have this issue. I also confirmed Chrome displays website colors correctly too.

It's fixed in 51.