The term 'light tan' can be described by two crossword solutions: ECRU (4 letters) and BEIGE (5 letters). ECRU is a light, yellowish-brown color that is often used in fashion and interior design. It is derived from the French word ECRU, which means raw or unbleached. BEIGE is a pale, sandy brown color that is often used in clothing and home decor. It is derived from the French word BEIGE, which means natural wool that has not been dyed.