Colored Signs - What does/doesn't work

Hello, as you know the ability to use colored signs has recently been added back into the game. to make a colored sign, just color the text in the same way you would color text in the game chat.

Example:



There is a slight problem with colored signs. certain lines together do not work due to a bug. Here is a screenshot of what works/doesn't work. Anything that is not colored white doesn't work currently.


Two that don't work:



Example of one that does work:


As you can see the first two combinations of lines used will not work. You cannot have a colored sign with the exclusively the first line, or a sign with exclusively the first and second line. If you want to color, you can use any of the other line orientations listed above.