Change default metal look and feel color

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COMPLETE SOURCE CODE FOR : ChangeMetalLookAndFeelColor.java
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import javax.swing.plaf.metal.DefaultMetalTheme;

import javax.swing.plaf.metal.MetalLookAndFeel;

import javax.swing.plaf.ColorUIResource;

import javax.swing.*;

import java.awt.FlowLayout;

public class ChangeMetalLookAndFeelColor
{
public ChangeMetalLookAndFeelColor()
{
 JFrame.setDefaultLookAndFeelDecorated(true);

 MetalLookAndFeel.setCurrentTheme(new OrangeTheme());

 JFrame frame=new JFrame("Orange Theme");

 frame.getContentPane().setLayout(new FlowLayout());

 frame.getContentPane().add(new JButton("JButton"));
 frame.getContentPane().add(new JCheckBox("JCheckBox"));
 frame.getContentPane().add(new JTextField("JTextField"));

 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 frame.setSize(500,500);
 frame.setLocationRelativeTo(null);
 frame.setVisible(true);
}

public static void main(String[]args)
{
 ChangeMetalLookAndFeelColor cmlafm=new ChangeMetalLookAndFeelColor();
}

class OrangeTheme extends DefaultMetalTheme
{
 //NEW COLOR FOR METAL LOOK AND FEEL
 ColorUIResource primary1=new ColorUIResource(255,215,76);
 ColorUIResource primary2=new ColorUIResource(255,198,0);
 ColorUIResource primary3=new ColorUIResource(205,162,11);

 ColorUIResource secondary1=new ColorUIResource(255,187,57);
 ColorUIResource secondary2=new ColorUIResource(255,168,0);
 ColorUIResource secondary3=new ColorUIResource(255,214,104);
 //NEW COLOR FOR METAL LOOK AND FEEL

 protected ColorUIResource getPrimary1()
 {
  return primary1;
 }

 protected ColorUIResource getPrimary2()
 {
  return primary2;
 }

 protected ColorUIResource getPrimary3()
 {
  return primary3;
 }

 protected ColorUIResource getSecondary1()
 {
  return secondary1;
 }

 protected ColorUIResource getSecondary2()
 {
  return secondary2;
 }

 protected ColorUIResource getSecondary3()
 {
  return secondary3;
 }
}
}

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Set JTextArea background color to JFrame default color

Complete source code below will show you, how to set JTextArea background color same to JFrame default color.

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COMPLETE SOURCE CODE FOR : SetJTextAreaBackgroundColorToJFrameColor.java
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import javax.swing.*;

import java.awt.Color;

public class SetJTextAreaBackgroundColorToJFrameColor
{
public static void main(String[]args)
{
 //Create a window using JFrame with title ( Set JTextArea background color to JFrame color )
 JFrame frame=new JFrame("Set JTextArea background color to JFrame color");

 //Get JFrame background color
 Color jframeColor=frame.getBackground();

 //Create a text area with initial text ( Put your text here )
 JTextArea textArea=new JTextArea("Put your text here");

 //Set text area background color same to JFrame background color
 textArea.setBackground(jframeColor);

 //Add created text area into JFrame
 frame.add(textArea);

 //Set default close operation for JFrame
 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

 //Set JFrame size
 frame.setSize(600,500);

 //Make JFrame locate at center on screen
 frame.setLocationRelativeTo(null);

 //Make JFrame visible
 frame.setVisible(true);
}
}

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Get default JFrame background color

Complete source code below will show you, how to get default JFrame background color and after that, it will print RED,GREEN,BLUE(RGB) value for the color.

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COMPLETE SOURCE CODE FOR : GetDefaultJFrameBackgroundColor.java
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import javax.swing.JFrame;

import java.awt.Color;

public class GetDefaultJFrameBackgroundColor
{
public static void main(String[]args)
{
 //Create a window using JFrame
 JFrame frame=new JFrame();

 //Get JFrame background color using method getBackground()
 Color frameBackgroundColor=frame.getBackground();

 //Get RED value from color
 int redValue=frameBackgroundColor.getRed();

 //Get GREEN value from color
 int greenValue=frameBackgroundColor.getGreen();

 //Get BLUE value from color
 int blueValue=frameBackgroundColor.getBlue();

 //Print RGB value that we get
 System.out.println("R : "+redValue);
 System.out.println("G : "+greenValue);
 System.out.println("B : "+blueValue);

 //You can check what color that match the RGB value that we get using 'Color picker' at above
}
}

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Get default JPanel background color

Complete source code below will show you, how to get default JPanel background color and after that, it will print RED,GREEN,BLUE(RGB) value for the color.

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COMPLETE SOURCE CODE FOR : GetDefaultJPanelBackgroundColor.java
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import javax.swing.JPanel;

import java.awt.Color;

public class GetDefaultJPanelBackgroundColor
{
public static void main(String[]args)
{
 //Create a panel using JPanel
 JPanel panel=new JPanel();

 //Get panel background color using method getBackground()
 Color panelBackgroundColor=panel.getBackground();

 //Get RED value from color
 int redValue=panelBackgroundColor.getRed();

 //Get GREEN value from color
 int greenValue=panelBackgroundColor.getGreen();

 //Get BLUE value from color
 int blueValue=panelBackgroundColor.getBlue();

 //Print RGB value that we get
 System.out.println("R : "+redValue);
 System.out.println("G : "+greenValue);
 System.out.println("B : "+blueValue);

 //You can check what color that match the RGB value that we get using 'Color picker' at above
}
}

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Get default JLabel background color

Complete source code below will show you, how to get default JLabel background color and after that, it will print RED,GREEN,BLUE(RGB) value for the color.

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COMPLETE SOURCE CODE FOR : GetDefaultJLabelBackgroundColor.java
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import javax.swing.JLabel;

import java.awt.Color;

public class GetDefaultJLabelBackgroundColor
{
public static void main(String[]args)
{
 //Create a label using JLabel
 JLabel label=new JLabel();

 //Get label background color using method getBackground()
 Color labelBackgroundColor=label.getBackground();

 //Get RED value from color
 int redValue=labelBackgroundColor.getRed();

 //Get GREEN value from color
 int greenValue=labelBackgroundColor.getGreen();

 //Get BLUE value from color
 int blueValue=labelBackgroundColor.getBlue();

 //Print RGB value that we get
 System.out.println("R : "+redValue);
 System.out.println("G : "+greenValue);
 System.out.println("B : "+blueValue);

 //You can check what color that match the RGB value that we get using 'Color picker' at above
}
}

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Java default look and feel

Default look and feel is Metal look and feel. Below is an image that show how Metal look and feel looks like.