The two will get along fine, however the minimum recommended tank size for a Blonde Naso is 125 gallons:
Blonde Naso Tang
(Naso lituratus)
Stats
Maximum Length: 18.1 in.
Care Level: Moderate
Family: Acanthuridae
Reef Compatibility: Excellent
Minimum Aquarium Size: 125 gal.
Range: Indian Ocean, Red Sea
Diet: Herbivore- herbivore preparations, macro algae
Water Conditions: 74-80° F; sg 1.020-1.025; pH 8.1-8.4
Notes: An attractive reef safe fish that often makes a great display specimen for larger reef aquariums with plenty of open swimming space. The Naso Tang is usually not aggressive towards other tank mates, with the possible exception of conspecifics. Can be kept in pairs in larger display aquariums. This fish may jump out of an open aquarium so make sure you have a lid on you tank. Provide plenty of live rock for it to graze on. The Blonde Naso Tang is the same fish as the Naso Tang, only a different color morph. The Blonde Naso is differentiated by its yellow dorsal fin, common Naso Tangs have a black dorsal fin.
Feed a diet rich in vegetable matter including frozen herbivore foods, dried seaweed, or live macro algae.
Powder Brown Tang
(Acanthurus japonicus)
Stats
Maximum Length: 8.2 in.
Care Level: Moderate
Family: Acanthuridae
Reef Compatibility: Good
Minimum Aquarium Size: 75 gal.
Range: Indian Ocean, Western Pacific
Diet: Herbivore- herbivore preparations, macro algae
Water Conditions: 74-80° F; sg 1.020-1.025; pH 8.1-8.4
Notes: Provide the Powder Brown Tang with several hiding places where it can rest. Do not keep with aggressive tanks mates, or with Tangs of similar shape and/ or color such as the Powder Blue Tang, Achilles Tang, or Gold Rim Tang. It is reef safe and will help to control the growth of undesirable algae in your aquarium. Keep only one per aquarium.
Feed a diet rich in vegetable matter including frozen herbivore foods, dried seaweed, or live macro algae.