I don't know if this could help, but I found a mod that solves this problem specifically, including all of the problems detailed here. (Chest, hand and mobs lighting glitches). http://www.minecraftforum.net/topic/1547522-162-164-minecraftlfm-fixes-colored-signs-entity-rendering-and-much-more-4000-downloads/
2013-07-29, 05:24:54 AM UTC
Arturo FedericoArturo Federico
MC-27117
I don't know if this could help, but I found a mod that solves this problem specifically, including all of the problems detailed here. (Chest, hand and mobs lighting glitches). http://www.minecraftforum.net/topic/1547522-162-164-minecraftlfm-fixes-colored-signs-entity-rendering-and-much-more-4000-downloads/