Mood: The mood of this video appears to be energetic and lively, with a theme of youthful expression and possibly party culture. The use of vibrant colors and bold typography suggests a fun and carefree atmosphere.

Environment: The environment seems to be a nightclub or a party setting, indicated by the dark background with blue lighting, which is often used in such venues. The presence of another person in the background, though blurry, suggests a crowded space.