4 days dpo & pinkish brown discharge

As you can see I had my period the 15th to the 19th. I tested the 20th . I track my ovulation with my strips & this app. So far it’s always been right . I have been sick with a cold & was only able to baby dance 3 times this cycle . & the day I ovulated my test was super dark & positive . I’m now on 4 dpo & I did check my cervix last night to see if there was any change , (I do track my cervix changes) & it’s still super high & soft like . I noticed when I went to wash my hands after, it was a very light pink & light brown discharge like . I wasn’t rough or anything when I checked my cervix . Since I woke up this morning I noticed a very faint pinkish tinge on the toilet paper . & I have been in bed tired since . I have been so sleepy lately lol but I was wondering if this could be implantation. Google said it could but also said it was too early . Has anyone had a positive experience after having this ?