Here is a workaround for KDE (might work for others as well): Turn off sub-pixel rendering (a.k.a. Cleartype)
Go to System Settings > Application Appearance > Fonts > Configure (Anti-aliasing) disable sub-pixel rendering, restart gimp, problem goes away -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gimp in Ubuntu. https://bugs.launchpad.net/bugs/1010421 Title: Text antialiasing is green..... Status in “gimp” package in Ubuntu: Confirmed Bug description: grrrr. So upgraded to Gimp 2.8 and now text antialaising is green. Use white text on a black background to check it out. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gimp/+bug/1010421/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp