can you put mmf accents on a buttercream frosted cake??

I wouldn't see why not people put fondant accents on BC all the time

MMF, MFF, RI... Pretty much anything. It's all good!

i thought so too but the mmf accents are colored and the buttercream is white and for some reason it just popped in my head that i needed to make sure, i'm just really stressing with this cake

oh thank you thank you thank you!!!!!!!

Yes! I do it all the time!

Don't stress, about 99% of my cakes are iced in buttercream with MMF accents of all different colors.
Check out my gallery to see....

It also helps if your buttercream/cream is slihtly chilled so that your fondant decorations don't start saging down...if that makes any sense. Good luck!