I think it is a good move by Zee to have uniform identity for channels. All their GEC having orange orbs, movie channels with green orbs and music channels with pink/red orbs would be treat to eyes and also help recognize the genre instantly. Non-uniform mix of too much colors without logic is not actually a good idea according to me. Good that Zee has realized this and changing the logo colours. Star should also do this soon. Viacom's Colors channels and all Sun Network channels follow this to an extent. Brand uniformity is actually a very good concept if implemented properly.