purple top
blue
red
Blue
red top
red top
blue
red
Blue
red top
red top
Purple
red top
blue
The drawn blood has platelets of fat in it.
Red or lavendar
If your asking about what colored tubes blood is taken in, it's usually purple or lavender colored for CBC's (complete blood count). If you need blood, a Pink or larger purple/lavender top will be drawn for Blood Bank matching.
You just go to the lab and have it drawn. Just one tube of blood