By default you cannot color grade Blackmagic RAW files using the official BRAW SDK from Blackmagic Design in After Effects, unless you either use .sidecar files or our BRAW Studio Layer Settings effect. Only with BRAW Studio for Adobe CC !
Download and install BRAW Studio ! https://www.autokroma.com/BRAW_Studio...
Free 500 frames trial included
More info in our article : https://www.autokroma.com/blog/BRAW-S...