The phrase "copper gold" refers to a shade or color that combines the warm reddish-orange tones of copper with the bright, yellow shine of gold. Full definition
Round metal - frame sunglasses in copper gold - tone. (polyvore.com)
Samsung has launched the Galaxy S5 Copper Gold color variant in India. (techone3.in)
Mining Deal of the Year: Oyu Tolgoi Copper — Gold mine Advised Turquoise Hill on the $ 4.4 bn project financing for the Oyu Tolgoi copper gold project in Mongolia. (nortonrosefulbright.com)