Brown is used with these nouns as the object:
meat, onion

very
He looked very brown after the cruise. (esp. BrE)

uniformly
The once-green fields were now uniformly brown.

dark, deep
her dark brown eyes

light, pale, soft
rich, warm
lovely warm browns and golds

bright
bright brown eyes

drab, dull, muddy
chestnut, chocolate, golden, reddish, rusty

Brown is used with these nouns:
ale, bag, bang, bread, coal, envelope, eye, freckle, hair, loaf, mud, mustard, paper, rat, rice, roll, sauce, skin, sugar, toast