You can also alter the coloration from Emilylowes's blog

Questi is your personal quest guide and will guide WoTLK Gold you throughout your entire journey of leveling your right hand , if you want to. If you're a king or queen, it will show your icons on the map of the mobs you must kill. It previews your current quests on the screen, and can even completely alter the visual content that you get for each quest.

However, running questing with its default settings will work perfectly. It's a very light add on that definitely increases your efficiency in the game while you play. And lastly, threat plates are definitely a favourite of mine, and the last one in the listing. It replaces the default names of enemies and friendly targets and provides additional information such as buffs, cooldowns, debuffs, and much more.

You can also alter the coloration of each combat scenario to better suit your personal preferences. It's not too heavy relative to the others. It's definitely an amazing feature to have. In the event that you're not a fan of threat plates, you could always try Plater and moving on to the premium add-ons for life, we've got things like any font that WOW WoTLK Classic Gold changes your default battle numbers into any type you want.