do colour themes in vscode extensions take memory code example

Example 1: How to change color VSCode

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

Example 2: visual studio code add white theme

Selecting the Color Theme#
Open the Color Theme picker with File > Preferences > Color Theme. (Code > Preferences > Color Theme on macOS).
You can also use the keyboard shortcut Ctrl+K Ctrl+T to display the picker.
Use the cursor keys to preview the colors of the theme.
Select the theme you want and press Enter.