All of those areas are black, somewhere around 60% gloss. This info is not published anywhere, but questions about engine compartment colors are asked again and again. Try the search function, you should get lots of results. Color is only on the top portions of the fenders that extend down into the engine compartment.
The search window is a little cumbersome until you figure out the date settings. In my opinion, they are backwards from what you generally see, but you will get the hang of it.
Also look through tons of pictures. Many members (including myself) have a lot of picture links in their signature area.
I used to be indecisive. Now I'm not sure. I feel like I am diagonally parked in a parallel universe. 1968 400 convertible (Scarlet) 1976 T/A - 455 LE (No Burt) 1976 T/A New baby, starting full restoration. 1968 350 - 4 speed 'vert - 400 clone (the Beast!) 1968 350 convertible - Wife's car now- 400 clone (Aleutian Blue) (Blue Angel) 2008 Durango - DD 2008 GXP - New one from NH is AWESOME! 2017 Durango Citadel - Modern is nice! HEMI is amazing! 1998 Silverado Z71 - Father-daughter project 1968 400 coupe - R/A clone (Blue Pearl) (sold) 1967 326 convertible - Sold 1980 T/A SE Bandit - Sold