| Green
|
This block-metadata combination can be encountered in regular survival gameplay without exploiting glitches.
|
| Blue
|
This block-metadata combination can be encountered in Creative mode without using commands or exploiting glitches.
|
| Yellow
|
This block-metadata combination cannot be encountered normally and requires commands such as /setblock to see.
|
| Red
|
This block-metadata combination cannot be encountered normally even with commands, and requires world editing to see.
|
| Black
|
Any attempt to see this block-metadata combination at all will result in a game crash.
|
| Gray
|
The behavior of this block-metadata combination is currently unknown.
|
