1, pink and white are high contrast collocation, which can make the whole collocation more vivid and attractive. As a background color, white can highlight the softness and sweetness of pink and make the overall collocation more prominent.

2, pink and white are relatively fresh colors, together can give people a fresh and light feeling. Pink represents sweetness and tenderness, and white represents purity and refreshment. The combination of the two can create a fresh and natural atmosphere.

3, pink is a relatively saturated color, the overall match with pink, it will be too sweet. Adding white as the background color can balance the tone and make the overall collocation more harmonious and balanced.