diff --git a/CHANGELOG.md b/CHANGELOG.md
index b81d9237..a766914f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,9 @@ FlatLaf Change Log
 
 #### New features and improvements
 
+- Extras: Added standard component extension classes that provides easy access
+  to FlatLaf specific client properties (see package
+  `com.formdev.flatlaf.extras.components`).
 - Extras: Renamed tri-state check box class from
   `com.formdev.flatlaf.extras.TriStateCheckBox` to
   `com.formdev.flatlaf.extras.components.FlatTriStateCheckBox`.
diff --git a/flatlaf-core/src/main/java/com/formdev/flatlaf/FlatClientProperties.java b/flatlaf-core/src/main/java/com/formdev/flatlaf/FlatClientProperties.java
index 73a8cdc5..96831b16 100644
--- a/flatlaf-core/src/main/java/com/formdev/flatlaf/FlatClientProperties.java
+++ b/flatlaf-core/src/main/java/com/formdev/flatlaf/FlatClientProperties.java
@@ -130,6 +130,15 @@ public interface FlatClientProperties
 	 */
 	String MINIMUM_HEIGHT = "JComponent.minimumHeight";
 
+	/**
+	 * Paint the component with round edges.
+	 * <p>
+	 * <strong>Components</strong> {@link javax.swing.JComboBox}, {@link javax.swing.JSpinner},
+	 * {@link javax.swing.JTextField}, {@link javax.swing.JFormattedTextField} and {@link javax.swing.JPasswordField}<br>
+	 * <strong>Value type</strong> {@link java.lang.Boolean}
+	 */
+	String COMPONENT_ROUND_RECT = "JComponent.roundRect";
+
 	/**
 	 * Specifies the outline color of the component border.
 	 * <p>
@@ -161,15 +170,6 @@ public interface FlatClientProperties
 	 */
 	String OUTLINE_WARNING = "warning";
 
-	/**
-	 * Paint the component with round edges.
-	 * <p>
-	 * <strong>Components</strong> {@link javax.swing.JComboBox}, {@link javax.swing.JSpinner},
-	 * {@link javax.swing.JTextField}, {@link javax.swing.JFormattedTextField} and {@link javax.swing.JPasswordField}<br>
-	 * <strong>Value type</strong> {@link java.lang.Boolean}
-	 */
-	String COMPONENT_ROUND_RECT = "JComponent.roundRect";
-
 	//---- Popup --------------------------------------------------------------
 
 	/**
diff --git a/flatlaf-extras/src/main/java/com/formdev/flatlaf/extras/components/FlatButton.java b/flatlaf-extras/src/main/java/com/formdev/flatlaf/extras/components/FlatButton.java
index d76eba16..63ede0b4 100644
--- a/flatlaf-extras/src/main/java/com/formdev/flatlaf/extras/components/FlatButton.java
+++ b/flatlaf-extras/src/main/java/com/formdev/flatlaf/extras/components/FlatButton.java
@@ -17,6 +17,7 @@
 package com.formdev.flatlaf.extras.components;
 
 import static com.formdev.flatlaf.FlatClientProperties.*;
+import java.awt.Color;
 import javax.swing.JButton;
 
 /**
@@ -91,4 +92,29 @@ public class FlatButton
 	public void setMinimumHeight( int minimumHeight ) {
 		putClientProperty( MINIMUM_HEIGHT, (minimumHeight >= 0) ? minimumHeight : null );
 	}
+
+
+	/**
+	 * Returns the outline color of the component border.
+	 */
+	public Object getOutline() {
+		return getClientProperty( OUTLINE );
+	}
+
+	/**
+	 * Specifies the outline color of the component border.
+	 * <p>
+	 * Allowed Values are:
+	 * <ul>
+	 *     <li>{@code null}
+	 *     <li>string {@code "error"}
+	 *     <li>string {@code "warning"}
+	 *     <li>any color (type {@link Color})
+	 *     <li>an array of two colors (type {@link Color}[2]) where the first color
+	 *         is for focused state and the second for unfocused state
+	 * </ul>
+	 */
+	public void setOutline( Object outline ) {
+		putClientProperty( OUTLINE, outline );
+	}
 }
diff --git a/flatlaf-extras/src/main/java/com/formdev/flatlaf/extras/components/FlatComboBox.java b/flatlaf-extras/src/main/java/com/formdev/flatlaf/extras/components/FlatComboBox.java
index 316484cf..6b9581c7 100644
--- a/flatlaf-extras/src/main/java/com/formdev/flatlaf/extras/components/FlatComboBox.java
+++ b/flatlaf-extras/src/main/java/com/formdev/flatlaf/extras/components/FlatComboBox.java
@@ -17,6 +17,7 @@
 package com.formdev.flatlaf.extras.components;
 
 import static com.formdev.flatlaf.FlatClientProperties.*;
+import java.awt.Color;
 import javax.swing.JComboBox;
 
 /**
@@ -71,4 +72,29 @@ public class FlatComboBox<E>
 	public void setRoundRect( boolean roundRect ) {
 		putClientPropertyBoolean( COMPONENT_ROUND_RECT, roundRect, false );
 	}
+
+
+	/**
+	 * Returns the outline color of the component border.
+	 */
+	public Object getOutline() {
+		return getClientProperty( OUTLINE );
+	}
+
+	/**
+	 * Specifies the outline color of the component border.
+	 * <p>
+	 * Allowed Values are:
+	 * <ul>
+	 *     <li>{@code null}
+	 *     <li>string {@code "error"}
+	 *     <li>string {@code "warning"}
+	 *     <li>any color (type {@link Color})
+	 *     <li>an array of two colors (type {@link Color}[2]) where the first color
+	 *         is for focused state and the second for unfocused state
+	 * </ul>
+	 */
+	public void setOutline( Object outline ) {
+		putClientProperty( OUTLINE, outline );
+	}
 }
diff --git a/flatlaf-extras/src/main/java/com/formdev/flatlaf/extras/components/FlatFormattedTextField.java b/flatlaf-extras/src/main/java/com/formdev/flatlaf/extras/components/FlatFormattedTextField.java
index f481f5cc..5f943bfe 100644
--- a/flatlaf-extras/src/main/java/com/formdev/flatlaf/extras/components/FlatFormattedTextField.java
+++ b/flatlaf-extras/src/main/java/com/formdev/flatlaf/extras/components/FlatFormattedTextField.java
@@ -17,6 +17,7 @@
 package com.formdev.flatlaf.extras.components;
 
 import static com.formdev.flatlaf.FlatClientProperties.*;
+import java.awt.Color;
 import javax.swing.JFormattedTextField;
 import com.formdev.flatlaf.extras.components.FlatTextField.SelectAllOnFocusPolicy;
 
@@ -88,4 +89,29 @@ public class FlatFormattedTextField
 	public void setRoundRect( boolean roundRect ) {
 		putClientPropertyBoolean( COMPONENT_ROUND_RECT, roundRect, false );
 	}
+
+
+	/**
+	 * Returns the outline color of the component border.
+	 */
+	public Object getOutline() {
+		return getClientProperty( OUTLINE );
+	}
+
+	/**
+	 * Specifies the outline color of the component border.
+	 * <p>
+	 * Allowed Values are:
+	 * <ul>
+	 *     <li>{@code null}
+	 *     <li>string {@code "error"}
+	 *     <li>string {@code "warning"}
+	 *     <li>any color (type {@link Color})
+	 *     <li>an array of two colors (type {@link Color}[2]) where the first color
+	 *         is for focused state and the second for unfocused state
+	 * </ul>
+	 */
+	public void setOutline( Object outline ) {
+		putClientProperty( OUTLINE, outline );
+	}
 }
diff --git a/flatlaf-extras/src/main/java/com/formdev/flatlaf/extras/components/FlatPasswordField.java b/flatlaf-extras/src/main/java/com/formdev/flatlaf/extras/components/FlatPasswordField.java
index a5ba8c17..93b88299 100644
--- a/flatlaf-extras/src/main/java/com/formdev/flatlaf/extras/components/FlatPasswordField.java
+++ b/flatlaf-extras/src/main/java/com/formdev/flatlaf/extras/components/FlatPasswordField.java
@@ -17,6 +17,7 @@
 package com.formdev.flatlaf.extras.components;
 
 import static com.formdev.flatlaf.FlatClientProperties.*;
+import java.awt.Color;
 import javax.swing.JPasswordField;
 import com.formdev.flatlaf.extras.components.FlatTextField.SelectAllOnFocusPolicy;
 
@@ -88,4 +89,29 @@ public class FlatPasswordField
 	public void setRoundRect( boolean roundRect ) {
 		putClientPropertyBoolean( COMPONENT_ROUND_RECT, roundRect, false );
 	}
+
+
+	/**
+	 * Returns the outline color of the component border.
+	 */
+	public Object getOutline() {
+		return getClientProperty( OUTLINE );
+	}
+
+	/**
+	 * Specifies the outline color of the component border.
+	 * <p>
+	 * Allowed Values are:
+	 * <ul>
+	 *     <li>{@code null}
+	 *     <li>string {@code "error"}
+	 *     <li>string {@code "warning"}
+	 *     <li>any color (type {@link Color})
+	 *     <li>an array of two colors (type {@link Color}[2]) where the first color
+	 *         is for focused state and the second for unfocused state
+	 * </ul>
+	 */
+	public void setOutline( Object outline ) {
+		putClientProperty( OUTLINE, outline );
+	}
 }
diff --git a/flatlaf-extras/src/main/java/com/formdev/flatlaf/extras/components/FlatScrollPane.java b/flatlaf-extras/src/main/java/com/formdev/flatlaf/extras/components/FlatScrollPane.java
index ed0ef473..159b477d 100644
--- a/flatlaf-extras/src/main/java/com/formdev/flatlaf/extras/components/FlatScrollPane.java
+++ b/flatlaf-extras/src/main/java/com/formdev/flatlaf/extras/components/FlatScrollPane.java
@@ -17,6 +17,7 @@
 package com.formdev.flatlaf.extras.components;
 
 import static com.formdev.flatlaf.FlatClientProperties.*;
+import java.awt.Color;
 import javax.swing.JScrollPane;
 
 /**
@@ -56,4 +57,29 @@ public class FlatScrollPane
 	public void setSmoothScrolling( boolean smoothScrolling ) {
 		putClientProperty( SCROLL_PANE_SMOOTH_SCROLLING, smoothScrolling );
 	}
+
+
+	/**
+	 * Returns the outline color of the component border.
+	 */
+	public Object getOutline() {
+		return getClientProperty( OUTLINE );
+	}
+
+	/**
+	 * Specifies the outline color of the component border.
+	 * <p>
+	 * Allowed Values are:
+	 * <ul>
+	 *     <li>{@code null}
+	 *     <li>string {@code "error"}
+	 *     <li>string {@code "warning"}
+	 *     <li>any color (type {@link Color})
+	 *     <li>an array of two colors (type {@link Color}[2]) where the first color
+	 *         is for focused state and the second for unfocused state
+	 * </ul>
+	 */
+	public void setOutline( Object outline ) {
+		putClientProperty( OUTLINE, outline );
+	}
 }
diff --git a/flatlaf-extras/src/main/java/com/formdev/flatlaf/extras/components/FlatSpinner.java b/flatlaf-extras/src/main/java/com/formdev/flatlaf/extras/components/FlatSpinner.java
index 109a7ecf..f4e162f0 100644
--- a/flatlaf-extras/src/main/java/com/formdev/flatlaf/extras/components/FlatSpinner.java
+++ b/flatlaf-extras/src/main/java/com/formdev/flatlaf/extras/components/FlatSpinner.java
@@ -17,6 +17,7 @@
 package com.formdev.flatlaf.extras.components;
 
 import static com.formdev.flatlaf.FlatClientProperties.*;
+import java.awt.Color;
 import javax.swing.JSpinner;
 
 /**
@@ -56,4 +57,29 @@ public class FlatSpinner
 	public void setRoundRect( boolean roundRect ) {
 		putClientPropertyBoolean( COMPONENT_ROUND_RECT, roundRect, false );
 	}
+
+
+	/**
+	 * Returns the outline color of the component border.
+	 */
+	public Object getOutline() {
+		return getClientProperty( OUTLINE );
+	}
+
+	/**
+	 * Specifies the outline color of the component border.
+	 * <p>
+	 * Allowed Values are:
+	 * <ul>
+	 *     <li>{@code null}
+	 *     <li>string {@code "error"}
+	 *     <li>string {@code "warning"}
+	 *     <li>any color (type {@link Color})
+	 *     <li>an array of two colors (type {@link Color}[2]) where the first color
+	 *         is for focused state and the second for unfocused state
+	 * </ul>
+	 */
+	public void setOutline( Object outline ) {
+		putClientProperty( OUTLINE, outline );
+	}
 }
diff --git a/flatlaf-extras/src/main/java/com/formdev/flatlaf/extras/components/FlatTextField.java b/flatlaf-extras/src/main/java/com/formdev/flatlaf/extras/components/FlatTextField.java
index 7604c093..a43d195b 100644
--- a/flatlaf-extras/src/main/java/com/formdev/flatlaf/extras/components/FlatTextField.java
+++ b/flatlaf-extras/src/main/java/com/formdev/flatlaf/extras/components/FlatTextField.java
@@ -17,6 +17,7 @@
 package com.formdev.flatlaf.extras.components;
 
 import static com.formdev.flatlaf.FlatClientProperties.*;
+import java.awt.Color;
 import javax.swing.JTextField;
 
 /**
@@ -90,4 +91,29 @@ public class FlatTextField
 	public void setRoundRect( boolean roundRect ) {
 		putClientPropertyBoolean( COMPONENT_ROUND_RECT, roundRect, false );
 	}
+
+
+	/**
+	 * Returns the outline color of the component border.
+	 */
+	public Object getOutline() {
+		return getClientProperty( OUTLINE );
+	}
+
+	/**
+	 * Specifies the outline color of the component border.
+	 * <p>
+	 * Allowed Values are:
+	 * <ul>
+	 *     <li>{@code null}
+	 *     <li>string {@code "error"}
+	 *     <li>string {@code "warning"}
+	 *     <li>any color (type {@link Color})
+	 *     <li>an array of two colors (type {@link Color}[2]) where the first color
+	 *         is for focused state and the second for unfocused state
+	 * </ul>
+	 */
+	public void setOutline( Object outline ) {
+		putClientProperty( OUTLINE, outline );
+	}
 }
diff --git a/flatlaf-extras/src/main/java/com/formdev/flatlaf/extras/components/FlatToggleButton.java b/flatlaf-extras/src/main/java/com/formdev/flatlaf/extras/components/FlatToggleButton.java
index 3bccdd6e..a342f890 100644
--- a/flatlaf-extras/src/main/java/com/formdev/flatlaf/extras/components/FlatToggleButton.java
+++ b/flatlaf-extras/src/main/java/com/formdev/flatlaf/extras/components/FlatToggleButton.java
@@ -92,6 +92,31 @@ public class FlatToggleButton
 	}
 
 
+	/**
+	 * Returns the outline color of the component border.
+	 */
+	public Object getOutline() {
+		return getClientProperty( OUTLINE );
+	}
+
+	/**
+	 * Specifies the outline color of the component border.
+	 * <p>
+	 * Allowed Values are:
+	 * <ul>
+	 *     <li>{@code null}
+	 *     <li>string {@code "error"}
+	 *     <li>string {@code "warning"}
+	 *     <li>any color (type {@link Color})
+	 *     <li>an array of two colors (type {@link Color}[2]) where the first color
+	 *         is for focused state and the second for unfocused state
+	 * </ul>
+	 */
+	public void setOutline( Object outline ) {
+		putClientProperty( OUTLINE, outline );
+	}
+
+
 	/**
 	 * Returns height of underline if toggle button type is {@link ButtonType#tab}.
 	 */