1. Gradient pants are more versatile, so it is best not to wear the same color coat. Feeling doesn't show personality. Pants are dark blue, and coats can be light colors, such as pink, beige, white, gray and black.

2. Blue is divided into cool blue and warm blue. If it is pure blue, it is usually cool blue. If the color is bright and contains yellow, it is warm blue, such as plain blue.