The zodiac sign Aries is traditionally associated with the color red. Red is often seen as a symbol of passion, energy, and assertiveness, which are qualities that are commonly associated with individuals born under the Aries sign. Aries is the first sign of the zodiac, and its ruling planet is Mars, which is also known as the Red Planet. This association with the color red reinforces the traits of courage, determination, and a bold and dynamic nature that are often attributed to Aries individuals. Keep in mind that these color associations are symbolic and cultural, and personal preferences may vary.