Visually distinguish a tag from a project bubble



I use the tags in my projects and thus in my MyTasks, and the bubble tags are displayed in the same way as the project bubbles, then it’s not easy to distinguish them.
One solution could be to use for tags bubbles with no color background or rectangles, as in the picture below:

What do you think?


Why distinguish them?


To be able to quickly see at a glance to which project a task belongs to, without having to click on each task to see details.