How to change background color of mui alert in react js?

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To change background color of mui alert in React js, you can use this css backgroundColor: "pink". It will change background color of mui alert in react js.

Today, I am going to show you, How to change background color of mui alert in react js.

Installation

Install the following packages to use mui Alert in react js.

npm

npm install @mui/material @emotion/react @emotion/styled

yarn

yarn add @mui/material @emotion/react @emotion/styled

Table of contents

• Install MUI and create a new React app.
• Import Material-UI alert.
• Use the Alert Component

Step 1: Install MUI and create a new React app.

First you have to install the React project. You should use create-react-app command to create a new React project.

npx create-react-app my-app
cd my-app
npm start

Step 2: Import Material-UI alert.

After installing MUI, you have to import your React component. To do this, add the following line to the top of your component file.

import React from "react";
import { createTheme, ThemeProvider } from "@mui/material/styles";
import Alert from "@mui/material/Alert";

Step 3: Use the Alert Component

You can use the Alert component in your react js. For example, The Alert component is used to display important messages or notifications to users. You can use <Alert> component make a alert box in react js.

<Alert severity="error">
  This is a custom alert with a different background color.
</Alert>

MUI material change background color of mui alert example.

The below code is an example, to change background color of mui alert, you need to import Alert Component. Define a custom CSS class using the createTheme function change the background color of mui alert in reacte js.

App.js

import React from "react";
import { createTheme, ThemeProvider } from "@mui/material/styles";
import Alert from "@mui/material/Alert";

const theme = createTheme({
  components: {
    MuiAlert: {
      styleOverrides: {
        root: {
          backgroundColor: "pink" // Replace with your desired background color
        }
      }
    }
  }
});

function MyCustomAlert() {
  return (
    <ThemeProvider theme={theme}>
      <Alert severity="error">
        This is a custom alert with a different background color.
      </Alert>
    </ThemeProvider>
  );
}

export default MyCustomAlert;

In the above code example, I have used the @mui/material component and change background color of mui alert in react js.

Check the output of the above code example.

Here, we are provided code sandbox links for the above program change background color of mui alert in react js. Then you can use whenever you want and do the changes as per your requirements.

Try it Yourself

All the best 👍