TAGG would be tight-aggressive or tight-aggressive aggressive.

Looks like youve got the aggressive part but you play slightly more hands.

Whether or not TAG would work better depends 100% on how your opponents play.

EDIT: Pokertracker also applies stats to full-ring classifications. If you play 6max you are supposed to play more hands so pokertracker will call you loose even if you are a pretty tight 6max player.