@mamo No need to create a new topic. Please continue posting to this thread and when you’re ready to submit final homework, type “Week 2 Homework Submission” in bold at the top of the post.
Your black matte looking grey is perhaps due to the environment HDRI. Test out other HDRI’s and see how the material behaves. Also keep in touch with photographic reference along the way. With a lot of light, like daytime outside, matte black does look a little like grey:
