Is the word blue on a white background auspicious?

Geely. In the traditional culture of China, white usually represents purity and innocence, while blue symbolizes calmness and composure. Placards with blue characters on a white background are usually considered as auspicious combinations. A plaque with white characters on a blue background is also a common choice, because white usually represents the brightness and clarity in the plaque, while blue gives people a sense of calm and comfort.