Most Used Features in Looker Studio (Formerly known as Data Studio)
The most used features in Looker Studio are explained with pictures and how to use them.
You can use this to select a preferred design for your reports using predefined color schemes. There are 21 predefined themes available, and as Google describe, the color schemes of these themes are set in a way that is attractive and suitable for colour-blind users.
Suppose you are just starting with Looker Studio or quickly want to build a visually appealing and uniform design report. It would be best if you started with an available theme. A detailed explanation with pictures here