Gets the currently used theme as a Theme object. The arguments available in the color object are listed in the properties of the color.

This is an asynchronous function that returns a Promise.


var getting = browser.theme.getCurrent(
  windowId    // integer


windowId Optional
integer. The ID of a window. If this is provided, the theme applied on that window will be provided. If it is omitted the theme applied on the last focused window will be provided.

Return value

A Promise. The promise will be fulfilled with a theme.Theme object representing the theme applied to the given window. If no extension-supplied theme has been applied to the given window, it will be fulfilled with an empty object.

Browser compatibility

Update compatibility data on GitHub
ChromeEdgeFirefoxOperaSafariFirefox for Android
getCurrentChrome No support NoEdge No support NoFirefox Full support 58Opera No support NoSafari No support NoFirefox Android No support No


Full support  
Full support
No support  
No support


Gets the properties frame and toolbar colors of the current theme

function getStyle(themeInfo) 
  if (themeInfo.colors) 
    console.log("accent color : " +  themeInfo.colors.frame);
    console.log("toolbar : " + themeInfo.colors.toolbar);

async function getCurrentThemeInfo() 
  var themeInfo = await browser.theme.getCurrent();


Example extensions