Ok, I am sorry you felt blah in this outfit, but I love the sweatshirt on you -- you look really pretty in these tones! I also love the vest with the shoes (and like each item on its own). I think maybe it was too warm to wear this on the day you chose it (or later in the afternoon of that day) and that will make anyone feel gross.
Also, you are super hard on yourself! As Angie pointed out, you might feel a bit better with slightly more "hard" edge to your look -- it's your comfort zone, so to speak, and this may feel overall a bit soft. OTOH, you may be trying to evolve your style just slightly in that direction and it may take some time to find the balance that works.
Especially because you have to wear black at work, you end up in conflict about it. In your previous (before Refit) life, black was your basic and a foolproof. Now, you still like it, but get bored (understandably!) with wearing it all the time, plus you share some concerns about its flattery or lack thereof (although I think you still wear it well). In any case, it's a bit of a transition period in more ways than one -- weather, the place of hard edge or black, and, um Covid. UGH>