title: React Native Paper Text Input - Adjusting label color at the initial state
body: <p>I want to adjust the outlined react-native-paper TextInput label color at the initial state (not onFocus). This is my OutlinedInput component:</p>
  <pre><code>import * as React from 'react';
  import { TextInput } from 'react-native-paper';
  
  const OutlinedInput = (props) =&gt; {
    return (
      &lt;TextInput
        mode='outlined'
        label={props.label}
        placeholder={props.placeholder}
        placeholderTextColor='white'
        secureTextEntry={props.secureTextEntry}
        multiline={props.multiline}
        keyboardType={props.keyboardType}
        value={props.value}
        onChangeText={(value) =&gt; props.onChangeText(value)}
        style={props.style}
        theme={props.theme}
      /&gt;
    );
  };
  
  export default OutlinedInput;
  </code></pre>
  <p>In my Register component, I created an OutlinedInput component inside it:</p>
  <pre><code>&lt;View style={{ justifyContent: 'center', alignItems: 'center' }}&gt;
    &lt;OutlinedInput
      label={'User Name'}
      value={userName}
      onChangeText={(userName) =&gt; setUserName(userName)}
      style={{ color: 'white', backgroundColor: 'rgb(35,39,42)',
              borderRadius: 5, width: '75%', height: '5%' 
      }}
      theme={{ colors: { text: 'white', primary: 'rgb(33, 151, 186)' } }}
    /&gt;
  &lt;/View&gt;
  </code></pre>
  <p>I added this line at the top of Register component:</p>
  <pre><code>const [userName, setUserName] = useState('');
  </code></pre>
  <p>The screenshot of my program if I do not click the input:</p>
  <p><a href="https://i.stack.imgur.com/A6mTJ.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/A6mTJ.png" alt="enter image description here" /></a></p>
  <p>This is the screenshout for clicking the input:</p>
  <p><a href="https://i.stack.imgur.com/wOpxc.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/wOpxc.png" alt="enter image description here" /></a></p>
  <p>As you can see, the color of label User Name is black. I want to set this to white. When clicking on it, it works as expected, but the initial state of the color of the label is not what I want.</p>
  <p>I tried to solve this problem using placeholder. I added placeholder props to the OutlinedInput and change placeholder color to white, but in this case, placeholder didn't become outlined. When I tried anything about placeholder, it didn't become outlined.</p>
  <p>How can I adjust the label color to see it as white after opening the program?</p>