1. 白色 (báisè): This is the most common and general term for "white" as a color.
2. 白 (bái): This is used when referring to "white" as a noun, such as when talking about a white object or white paper.
Here are some examples:
* 白色的衣服 (báisè de yīfu): White clothes
* 白纸 (bái zhǐ): White paper
* 白云 (bái yún): White clouds
Remember that the pronunciation of "白" can vary slightly depending on the tone of the sentence.