Is this implantation bleeding??

Does this look like implantation bleeding?? I had an extremely short period like 3 days and then had a positive opk at cd 6. Now I've had this type bleeding for 2 days 6dpo &7dpo, didn't need a tampon or anything. Also had some cramping but it's gone now. I've continued to test for ovulation as I don't typically get a peak until cd16ish. My test also normally fluctuate in color through out the cycle but now they just seem to be low. Just confused lol