The overall background color of this work is blue. The title ‘blue moon’ means extremely rare or a very long period of time. You can understand the title setting by referring to the description below. One of the easiest ways to find the use of color in human history was to analyze the relationship between fabric and production through dyeing. In ancient times, not only blue color was difficult to obtain, but also it was dark and dull, this color was not chosen by people. Also, since blue color was regarded as a dark and not elegant color, it was avoided by people.
However, in modern times, blue has become the preferred color worldwide.
This work expresses the process until the color, which was the object of evasion, became a popular and highly preferred color after many years. It also included our tearful will and effort to run toward hope without abandonment to desperate circumstances.