There are several out-of-the-box color themes in VS Code for you to try. To do so, set a theme in the Workspace settings. You can also configure a workspace specific theme. Tip: By default, the theme is stored in your user settings and applies globally to all workspaces. Specifies the color theme used in the workbench. The active color theme is stored in your user settings (keyboard shortcut ⌘, (Windows, Linux Ctrl+,)). Select the theme you want and press Enter.Use the cursor keys to preview the colors of the theme.
( Code > Preferences > Color Theme on macOS).