White and green
Taking off white and hanging green, a Chinese idiom, Pinyin is Tu ō B á IGU à L ǜ, which means to take off white clothes and put on green robes. It refers to the first official career, which comes from Xingshi Hengyan.
The origin of Idioms
Ming Dynasty Feng Menglong's Xingshi Hengyan, Vol. 11: "today's list is a good day, so why choose another day."
Idiom usage
It refers to being an official.
White and green
spread out and scatter about like stars in the sky or chessman on the chessboard - qí bù xīng chén
said of the integrity of a public servant who does not take a single penny unrightfully - yī jiè bù gǒu