Beautiful 30 Colors

Quick answer：

The phrase '好看的30中颜色' refers to a list or selection of 30 aesthetically pleasing colors. This could be a palette used in design, art, or fashion. In the context of design, a color palette is a collection of colors used in a consistent manner across different applications. It's important to note that the 'best' colors can be subjective and vary depending on cultural and personal preferences.