Just a SWAG, but I would say Haze Grey for the inner faces of the roll up doors.
The bulkheads do not match the white on the Hellcats in this photo
or perhaps Ocean Gray as the rest appears to be here on here shakedown cruise in 1943
The flight deck should be stained in Deck Blue 20-B for her WWII service career. Just like all other US CVs in combat in WWII.
F is for FIRE, That burns down the whole town!
U is for URANIUM... BOMBS!
N is for NO SURVIVORS...
- Plankton
LSM