The term 'dark orange-yellow' can be described by two crossword solutions: AMBER (5 letters) and TOPAZ (5 letters). AMBER is a fossilized tree resin that has been used for jewelry and decoration since ancient times. It is usually a yellowish-brown color, but can also range from a dark orange-yellow to a deep red. TOPAZ is a mineral that is found in many colors, including a dark orange-yellow. It is often used in jewelry and is believed to have healing properties.