Bf doesn’t want to find out gender but I do. What should I do?

I’m currently pregnant with my third baby. My bf and I already have a boy and a girl. We did early blood tests with both of them, I considered another early blood test with this baby but have decided to wait until the anatomy scan to find out since we do have one of each I’m not in a huge rush to know. I DO want to know the gender though. My bf however says he thinks we should wait until the birth to find out the gender. I told him I don’t wanna do that because I would feel unprepared I just can’t go the whole pregnancy without knowing what it is😅he said we could just buy all gray and beige stuff so it’s gender neutral but I don’t wanna do that.. i don’t like the whole “sad beige baby” thing. I wish I could but I can’t. He is head set on not wanting to know until birth but I wanna find out. What should I do or how can I respectfully tell him that’s not what I wanna do.. i know it’s his baby too but I feel like going the whole pregnancy without knowing would just really stress me out. Anyone else been in a situation like this with their partner? I want to respect what he wants but I also don’t want to feel forced into doing something I don’t want to do.