how to change white colour backround in vs code code example

Example 1: change color visual studio code lower line

"workbench.colorCustomizations": {
    "statusBar.background" : "#1A1A1A",
    "statusBar.noFolderBackground" : "#212121",
    "statusBar.debuggingBackground": "#263238"
}

Example 2: change vs code title bar theme color

"workbench.colorCustomizations": {
        "titleBar.activeBackground": "#ffffff",
        "titleBar.activeForeground": "#000000",
    }
    
    
    /*add this code in setting -> workbench -> edit json -> add above code */