The Text widget in Flutter is one of the most used widgets. It allows you to display a message (String of text) in your app. But sometimes you may want to change its color. So in this tutorial, we’ll see how to change text color in Flutter.
Here’s how it looks after changing color:
Here’s what we’ll cover:
Steps to change text color in Flutter
You can change text color in Flutter, by adding style to the Text widget. Basically, you provide the styling instructions by using the TextStyle class and set its color parameter.
Step 1: Locate the file where you have placed the Text widget.
Step 2: Inside the
Text widget, add the
Style parameter and assign the
Step 3: Inside the TextStyle widget, add the
color parameter and set the color of your choice. For example, color: Colors.deepPurpleAccent.
Text( 'Hello World', style: TextStyle(color: Colors.deepPurpleAccent), <-- SEE HERE )
Also, see how to add color from hex. By using hex codes, you can easily create colors that match your brand or design vision.
Changing text color globally
In the previous section, we saw how to change the text color at the page level. but sometimes you might be looking to have a common style across all the pages of your app. In that case, you might want to change the text color at the app level.
You can change the text color globally by defining the textTheme and then adding the TextTheme widget. Inside the TextTheme widget, you can specify which type of text you want to change. for example, headline1, headline2, and so on, and then assign the color.
Step 1: Locate the
Step 2: Inside the MaterialApp, add the
theme parameter with
ThemeData class assigned.
Step 3: Inside the ThemeData add the
textTheme parameter and then assign the
TextTheme with appropriate
TextStyle such as headline1 and headline2.
Step 4: Specify the
color inside the TextStyle widget.
MaterialApp( title: 'Flutter Demo', theme: ThemeData( textTheme: TextTheme(headline2: TextStyle(color: Colors.deepPurpleAccent), //<-- SEE HERE ), ), home: ChangeTextColorDemo(), );
Different ways of adding color
There are main three ways you can add color to the Text widget.
Colors.red: This is used to define from the predefined colors.
Color(0xffF02E65): This is used to have a custom color.
Color.fromARGB(255, 66, 125, 145): This is used to have color from the alpha, red, green, and blue color combination.
Text( 'How are you?', style: TextStyle(fontSize: 50, color: Colors.deepPurpleAccent), ), Text( 'Hello World', style: TextStyle(fontSize: 50, color: Color(0xffF02E65)), ), Text( 'Hello Flutter', style: TextStyle( fontSize: 50, color: Color.fromARGB(255, 66, 125, 145)), ),
In this tutorial, we learned how to change text color in Flutter with practical examples, we first saw how to change the color at the page level and then explored the way to change color at the app level. Finally, we also learned what are the different ways to add colors.
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