camel vs yellowish brown

camel

adj
  • Of a light brown color like that of a camel. 

noun
  • A beast of burden, much used in desert areas, of the genus Camelus. 

  • A light brownish color, like that of a camel (also called camel brown). 

  • Loaded vessels lashed tightly, one on each side of another vessel, and then emptied to reduce the draught of the ship in the middle. 

yellowish brown

How often have the words camel and yellowish brown occurred in a corpus of books? (source: Google Ngram Viewer )