how to set background color in vscode code example

Example 1: How to change color VSCode

Install Material Theme by Mattia Astorino —>  use "Set Color Theme"

Example 2: how can i change the color of the selection through mouse in fthe vscode

Add the following lines into "Editor: Token Color Customizations" setting, inside settings.json file.

"workbench.colorCustomizations": {
    "editor.selectionBackground": "#135564",
    "editor.selectionHighlightBackground": "#135564"
},