1, in sharp contrast, more fashionable: black and light purple are the contrast between cold and warm colors, which can create bright visual effects and make the overall shape more fashionable and personalized, while deep purple is too close to black and tends to appear monotonous.

2. Highlight the highlights of the sweater: Compared with the dark purple sweater, the light purple sweater is softer and brighter, which can highlight the highlights of the sweater, while the dark purple sweater will be covered by the black down jacket and cannot show its unique charm.