## Theme color To make the browser user interface match your websites surface background color, you can include the following code in the `` element of your pages. Instead of the hex code `#012345` use the value of your surface background color design token. ```html ``` For projects that use JSX and React, the following code sample shows how to refer to the design token package to automatically use the most recent choice of color. ```jsx import { utrechtSurfaceBackgroundColor } from "@utrecht/design-tokens/dist/index.mjs"; export const ThemeColor = () => ; ``` See for more information: [`theme-color` on MDN](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/meta/name/theme-color)