Is this implantation bleeding?

Alyssa • 👫(Met on a blind date): September 16th, 2015 💍(Engaged): December 23rd, 2016 👰🏻🤵🏻💍(Married): August 18th, 2018

I’m suppose to start my period on Monday (4/30)... I’ve had some cramps yesterday and today in my lower back and abdominal. This only showed up twice today and this is the first time I’ve seen this color.