Of a medium to dark brownish yellow color(adjective)
WordNet. Princeton University. 2010.
Use "yellow-brown" in a sentence
"At somewhat higher temperatures, the sugar begins to caramelize and turn yellow-brown, which is undesirable for much sugar work but encouraged for spun sugar and sugar cages, which are made by drizzling the hot syrup in threads over a solid form or a wooden rack, where they harden almost instantly."
"Found in a pool of his own filth outside a seedy motel, his trademarked candy cane striped shirt and matching hat now a putrid yellow-brown, Waldo has seen better days."
"On one side a light wind combed a field of yellow-brown wheat."