She confirmed in the tweet replies that it's estradiol. The person who posted the photo (juniper) is transfem

I think these ones look pretty close. I take them myself and they def look light blue at least in person.

(source)

edit: okay maybe like a light greenish blue but it's close enough for me to question my perception of colors

idk i take some ones that look just like that

Funny, I've seen light blue, but never oval