1, white: Yellow and white are common collocations, because white is bright and refreshing, which can be contrasted with yellow, giving people a bright and fresh feeling. White doors are also easier to attract people's attention and enhance the visibility of the store.

2. Brown: Brown is a warm and natural color. Matching with yellow can create a warm and comfortable atmosphere, and the brown door head can also contrast with the surrounding environment, increasing the recognition of the store.