Four colors in a quatrain

Yellow, green, white and blue.

According to the query of Baidu Library, the four colors depicted in Du Fu's quatrains are yellow, emerald, white and cyan. The first two sentences of the poem describe four colors: yellow, emerald, white and cyan, with "yellow" as the contrast and "white" as the contrast. The four bright colors of oriole, willow, egret and blue sky constitute a vibrant picture of early spring, which sets off the first breath of early spring and presents a fresh and relaxed breath.

Four quatrains is a set of poems by Du Fu, a great poet in Tang Dynasty. The first poem is the outline of a group of poems. First write about the thatched cottage and cite its four scenes, and then write about the poet's simple requirements for life. The plain scenery narrative contains the poet's indifferent state of mind; The second song is about Huanhuaxi, which shows that there is a dragon under the stream and the poet's concern about the situation in Chengdu, because he lives in a thatched cottage. The third poem describes the scene of early spring, four sentences and four scenes, which are integrated into a vibrant picture. In the cheerful and bright scene, the poet entrusted with the loss of time, loneliness and boredom; The fourth poem is dedicated to the medicinal garden, describing the growth process of unearthed medicinal seedlings and branches, and depicting their roots growing in gaps. Among them, The Third Jueju was selected as a Chinese textbook for compulsory education. The whole poem is a masterpiece of Du Fu's landscape poems with concise words, precise words, simple ideas and sincere feelings.