Console.app needs color themes Black text on white background hurts the eyes while perusing logs in Console.app.

There used to be some hacks like this to change the colors of the display in Console.app. But those hacks apparently no longer work in current versions such as Yosemite.

Any current ways to change Console colors in Mountain Lion or Yosemite?
Try decompiling first, then editing this NIB file.

/Applications/Utilities/Console.app/Contents/Resources/English.lproj/LogWindow.nib