diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6cc7c12d1..1b83671f5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@ FlatLaf Change Log
 - Custom window decorations: Center title if menu bar is embedded.
 - Custom window decorations: Cursor of components (e.g. TextField) was not
   changed. (issue #125)
+- CheckBox: Fixed colors in light IntelliJ themes. (issue #126)
 - InternalFrame: Use default icon in internal frames. (issue #122)
 
 
diff --git a/flatlaf-core/src/main/java/com/formdev/flatlaf/IntelliJTheme.java b/flatlaf-core/src/main/java/com/formdev/flatlaf/IntelliJTheme.java
index 5397cc8ae..f734bb748 100644
--- a/flatlaf-core/src/main/java/com/formdev/flatlaf/IntelliJTheme.java
+++ b/flatlaf-core/src/main/java/com/formdev/flatlaf/IntelliJTheme.java
@@ -412,6 +412,10 @@ private void applyCheckBoxColors( UIDefaults defaults ) {
 
 			String newKey = checkboxKeyMapping.get( key );
 			if( newKey != null ) {
+				String checkBoxIconPrefix = "CheckBox.icon.";
+				if( !dark && newKey.startsWith( checkBoxIconPrefix ) )
+					newKey = "CheckBox.icon[filled].".concat( newKey.substring( checkBoxIconPrefix.length() ) );
+
 				ColorUIResource color = toColor( (String) value );
 				if( color != null ) {
 					defaults.put( newKey, color );
@@ -444,12 +448,23 @@ private void applyCheckBoxColors( UIDefaults defaults ) {
 
 		// remove hover and pressed colors
 		if( checkboxModified ) {
+			defaults.remove( "CheckBox.icon.focusWidth" );
 			defaults.remove( "CheckBox.icon.hoverBorderColor" );
 			defaults.remove( "CheckBox.icon.focusedBackground" );
 			defaults.remove( "CheckBox.icon.hoverBackground" );
 			defaults.remove( "CheckBox.icon.pressedBackground" );
+			defaults.remove( "CheckBox.icon.selectedFocusedBackground" );
 			defaults.remove( "CheckBox.icon.selectedHoverBackground" );
 			defaults.remove( "CheckBox.icon.selectedPressedBackground" );
+
+			defaults.remove( "CheckBox.icon[filled].focusWidth" );
+			defaults.remove( "CheckBox.icon[filled].hoverBorderColor" );
+			defaults.remove( "CheckBox.icon[filled].focusedBackground" );
+			defaults.remove( "CheckBox.icon[filled].hoverBackground" );
+			defaults.remove( "CheckBox.icon[filled].pressedBackground" );
+			defaults.remove( "CheckBox.icon[filled].selectedFocusedBackground" );
+			defaults.remove( "CheckBox.icon[filled].selectedHoverBackground" );
+			defaults.remove( "CheckBox.icon[filled].selectedPressedBackground" );
 		}
 
 		// copy values
diff --git a/flatlaf-core/src/main/resources/com/formdev/flatlaf/FlatIntelliJLaf.properties b/flatlaf-core/src/main/resources/com/formdev/flatlaf/FlatIntelliJLaf.properties
index d8e48e2ff..ff74319d7 100644
--- a/flatlaf-core/src/main/resources/com/formdev/flatlaf/FlatIntelliJLaf.properties
+++ b/flatlaf-core/src/main/resources/com/formdev/flatlaf/FlatIntelliJLaf.properties
@@ -36,7 +36,6 @@ Button.default.borderWidth=1
 #---- CheckBox ----
 
 CheckBox.icon.style=filled
-CheckBox.icon[filled].focusWidth=2
 
 
 #---- Component ----
diff --git a/flatlaf-testing/src/main/resources/com/formdev/flatlaf/testing/uidefaults/FlatIntelliJLaf_1.8.0_202.txt b/flatlaf-testing/src/main/resources/com/formdev/flatlaf/testing/uidefaults/FlatIntelliJLaf_1.8.0_202.txt
index e3d5921fe..1943aed05 100644
--- a/flatlaf-testing/src/main/resources/com/formdev/flatlaf/testing/uidefaults/FlatIntelliJLaf_1.8.0_202.txt
+++ b/flatlaf-testing/src/main/resources/com/formdev/flatlaf/testing/uidefaults/FlatIntelliJLaf_1.8.0_202.txt
@@ -38,8 +38,6 @@
 
 + CheckBox.icon.style            filled
 
-+ CheckBox.icon[filled].focusWidth 2
-
 - CheckBox.icon[filled].selectedFocusedCheckmarkColor #e3f1fa    javax.swing.plaf.ColorUIResource [UI]
 
 - ComboBox.border                [lazy] 1,1,1,1  false    com.formdev.flatlaf.ui.FlatRoundBorder [UI]
diff --git a/flatlaf-theme-editor/src/main/resources/com/formdev/flatlaf/themeeditor/FlatLafUIKeys.txt b/flatlaf-theme-editor/src/main/resources/com/formdev/flatlaf/themeeditor/FlatLafUIKeys.txt
index 2e253ca0c..a4b557545 100644
--- a/flatlaf-theme-editor/src/main/resources/com/formdev/flatlaf/themeeditor/FlatLafUIKeys.txt
+++ b/flatlaf-theme-editor/src/main/resources/com/formdev/flatlaf/themeeditor/FlatLafUIKeys.txt
@@ -76,7 +76,6 @@ CheckBox.icon.selectedFocusedBorderColor
 CheckBox.icon.style
 CheckBox.iconTextGap
 CheckBox.icon[filled].checkmarkColor
-CheckBox.icon[filled].focusWidth
 CheckBox.icon[filled].selectedBackground
 CheckBox.icon[filled].selectedBorderColor
 CheckBox.icon[filled].selectedFocusedBackground