hot and slow for best layer adhesion. you could run a temp tower to see what looks the best for you. I mostly use the bambu presets because if i start changing things i start finding problems. I’ve done 220/210 and it’s fine. Every machine may see temperature slightly different so it’s up to the end user to do proper tests

I’ve gone up to 225 at higher speeds with good adhesion but 210 is probably go to.

210 for grey, although I think the black tends to want a lower temp for the same settings