An example VSCode configuration for color-coding workspace windows

vscode-local-workspace.json

{
    "workbench.colorCustomizations": {
        "activityBar.activeBackground": "#dc0000",
        "activityBar.activeBorder": "#03A9F4",
        "activityBar.background": "#860009",
        "activityBar.foreground": "#e7e7e7",
        "activityBar.inactiveForeground": "#e7e7e799",
        "activityBarBadge.background": "#03A9F4",
        "activityBarBadge.foreground": "#e7e7e7",
        "statusBar.background": "#03A9F4",
        "statusBar.foreground": "#e7e7e7",
        "statusBar.debuggingBackground": "#FF9800",
        "statusBar.debuggingForeground": "#3e3e3e",
        "statusBarItem.hoverBackground": "#d32f2f",
        "titleBar.activeBackground": "#860009",
        "titleBar.activeForeground": "#e7e7e7",
        "titleBar.inactiveBackground": "#5e2327",
        "titleBar.inactiveForeground": "#e7e7e799",
        "statusBarItem.remoteBackground": "#860009",
        "statusBarItem.remoteForeground": "#e7e7e7",
        "commandCenter.border": "#e7e7e799"
    }
}