How to change mui textfield helper text color in react js?

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To change mui textfield helper text color, set color: #783abc !important; in MuiFormHelperText-root. It will change mui textfield helper text color.

Today, I am going to show you, how to change mui textfield helper text color in react js.


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


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


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

MUI material textfield changed helper text color example.

The below code is an example of changing helper text color using mui textfield.


import * as React from 'react';
import Box from '@mui/material/Box';
import TextField from '@mui/material/TextField';
import "./App.css"

export default function InputWithIcon() {
  const [firstName, setFirstName] = React.useState('')
  return (
    <Box m={1}>
        label="First Name"
        helperText="Some important text"
        onChange={(e) => setFirstName(}


 .MuiFormHelperText-root {
  color: #783abc !important;

In the above code example, I have used the @mui/material TextField component and changed mui helper text color of MUI Textfield.

Check the output of the above code example.

React, Mui Textfield Icon Button

All the best 👍

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