the main difference between their logo is the color.

Rei Kawakubo is a Japanese fashion designer. Her design style is characterized by unique structure and tailoring, simple lines and high-quality materials. Rei Kawakubo's logo design is simple and generous, usually in black and white tones, with a simple font and the letter "C" representing the brand as the main element.

Charles Taoxin is an American fashion brand, and its design style pays attention to colors, patterns and details. The logo design of this brand usually uses bright colors and strong visual effects, with the heart-shaped pattern representing the brand as the main element and simple fonts.