Red-gold is a unique, rich color that is often associated with royalty, wealth, and luxury. There are several synonyms that can describe this beautiful and vibrant shade of yellow-orange. One such word is "amber," which is a dark yellow-orange color that resembles the fossilized tree resin of the same name. Another synonym is "coppery," which describes a reddish-orange color similar to the metal copper. "Tawny" is another word that can be used to describe red-gold, and it refers to a light golden-brown hue. Other synonyms for this beautiful color include "saffron," "ochre," and "rust." All these words capture the essence of red-gold and can add depth and richness to any piece of writing.