The XP spam was TitanXPBar or TitanXPStatus.
The color of the nameframe of the shaman was a bit harder to fix. I had to edit part of the Ace2 library (Babble-Class-2.2.lua) and overwrite the colours such as:
RAID_CLASS_COLORS = {
["HUNTER"] = { r = 0.67, g = 0.83, b = 0.45, colorStr = "ffabd473" },
["WARLOCK"] = { r = 0.58, g = 0.51, b = 0.79, colorStr = "ff9482c9" },
["PRIEST"] = { r = 1.0, g = 1.0, b = 1.0, colorStr = "ffffffff" },
["PALADIN"] = { r = 0.96, g = 0.55, b = 0.73, colorStr = "fff58cba" },
["MAGE"] = { r = 0.41, g = 0.8, b = 0.94, colorStr = "ff69ccf0" },
["ROGUE"] = { r = 1.0, g = 0.96, b = 0.41, colorStr = "fffff569" },
["DRUID"] = { r = 1.0, g = 0.49, b = 0.04, colorStr = "ffff7d0a" },
["SHAMAN"] = { r = 0.0, g = 0.44, b = 0.87, colorStr = "ff0070de" },
["WARRIOR"] = { r = 0.78, g = 0.61, b = 0.43, colorStr = "ffc79c6e" },
};
Topic can be closed.