There are several synonyms for the phrase "more reddish brown." Some of the most common include russet, auburn, mahogany, and chestnut. Russet highlights more of a reddish hue, while auburn is a reddish-brown that resembles the color of a chestnut. Similarly, mahogany tends towards the brown end of the spectrum with a hint of red, and chestnut is a distinct red-brown that can vary widely in shade. Other synonyms for "more reddish brown" include cinnamon, copper, and brick-red. These shades can be used to describe hair, furniture, or natural surroundings to evoke a warm and earthy feel.