In modern Chinese, "neon" is usually used to describe weather phenomena, especially the appearance of rainbows or auras. For example:
Beautiful neon appeared in the sky. A beautiful rainbow appeared in the sky. )
Neon lights appeared in the sky after sunset. After sunset, a halo appeared in the sky. )
In addition to expressing weather phenomena, neon can also be used as a metaphor for other things in some poems or literary works, such as:
The night sky in that city shines with neon lights. The night sky in the city shines with neon lights. )
On the lake, neon lights and white clouds in the sky are reflected. On the lake, there are halos and reflections of white clouds in the sky. )
Generally speaking, "you" is a rare but beautiful Chinese character, which is mainly used to describe weather phenomena or compare other things.