七色彩虹蓝
[qī sè căi hóng lán]
The username 'Seven-color Rainbow Blue' expresses the vibrant and colorful life that one wishes to live. In Chinese, seven-color rainbow means an array of all kinds of wonderful colors as a symbol of good luck or joy. The word 'blue', in this case, may add another layer of serenity to such lively imagery, making the entire image more rich and multi-faceted, suggesting depth of emotion and aspiration for a colorful world.