JAVASCRIPT

react native paper text input

<TextInput
      label={label}
      mode="outlined"
      theme={{
        colors: {
          primary: '#FFF' // Outline color here
        }
      }}
    />

react native paper text input

import * as React from 'react';
import { TextInput } from 'react-native-paper';

const MyComponent = () => {
  const [text, setText] = React.useState("");

  return (
    <TextInput
      label="Email"
      value={text}
      onChangeText={text => setText(text)}
    />
  );
};

export default MyComponent;

react native paper textinput

   <TextInput 
      underlineColor='#fff'

      theme={{colors: {text: 'red', primary: 'yellow'}}}
      />