diff --git a/idea/idea-analysis/src/org/jetbrains/kotlin/idea/KotlinBundle.properties b/idea/idea-analysis/src/org/jetbrains/kotlin/idea/KotlinBundle.properties
index f9ee61a0b6e..21b87599368 100644
--- a/idea/idea-analysis/src/org/jetbrains/kotlin/idea/KotlinBundle.properties
+++ b/idea/idea-analysis/src/org/jetbrains/kotlin/idea/KotlinBundle.properties
@@ -82,6 +82,7 @@ options.kotlin.attribute.descriptor.instance.property=Properties and Variables//
 options.kotlin.attribute.descriptor.package.property=Properties and Variables//Package-level property
 options.kotlin.attribute.descriptor.field=Properties and Variables//Backing field variable
 options.kotlin.attribute.descriptor.extension.property=Properties and Variables//Extension property
+options.kotlin.attribute.descriptor.synthetic.extension.property=Properties and Variables//Synthetic extension property
 options.kotlin.attribute.descriptor.dynamic.property=Properties and Variables//Dynamic property
 options.kotlin.attribute.descriptor.android.extensions.property=Properties and Variables//Android Extensions synthetic properties
 options.kotlin.attribute.descriptor.it=Parameters//Lambda expression default parameter
diff --git a/idea/idea-analysis/src/org/jetbrains/kotlin/idea/highlighter/KotlinHighlightingColors.java b/idea/idea-analysis/src/org/jetbrains/kotlin/idea/highlighter/KotlinHighlightingColors.java
index de3cf1454d9..d4a33b0dd50 100644
--- a/idea/idea-analysis/src/org/jetbrains/kotlin/idea/highlighter/KotlinHighlightingColors.java
+++ b/idea/idea-analysis/src/org/jetbrains/kotlin/idea/highlighter/KotlinHighlightingColors.java
@@ -70,6 +70,7 @@ public class KotlinHighlightingColors {
     public static final TextAttributesKey PACKAGE_PROPERTY = createTextAttributesKey("KOTLIN_PACKAGE_PROPERTY", DefaultLanguageHighlighterColors.STATIC_FIELD);
     public static final TextAttributesKey BACKING_FIELD_VARIABLE = createTextAttributesKey("KOTLIN_BACKING_FIELD_VARIABLE");
     public static final TextAttributesKey EXTENSION_PROPERTY = createTextAttributesKey("KOTLIN_EXTENSION_PROPERTY", DefaultLanguageHighlighterColors.STATIC_FIELD);
+    public static final TextAttributesKey SYNTHETIC_EXTENSION_PROPERTY = createTextAttributesKey("KOTLIN_SYNTHETIC_EXTENSION_PROPERTY", EXTENSION_PROPERTY);
     public static final TextAttributesKey DYNAMIC_PROPERTY_CALL = createTextAttributesKey("KOTLIN_DYNAMIC_PROPERTY_CALL");
     public static final TextAttributesKey ANDROID_EXTENSIONS_PROPERTY_CALL = createTextAttributesKey("KOTLIN_ANDROID_EXTENSIONS_PROPERTY_CALL");
 
diff --git a/idea/idea-analysis/src/org/jetbrains/kotlin/idea/highlighter/PropertiesHighlightingVisitor.kt b/idea/idea-analysis/src/org/jetbrains/kotlin/idea/highlighter/PropertiesHighlightingVisitor.kt
index b8221df6005..808935f0c33 100644
--- a/idea/idea-analysis/src/org/jetbrains/kotlin/idea/highlighter/PropertiesHighlightingVisitor.kt
+++ b/idea/idea-analysis/src/org/jetbrains/kotlin/idea/highlighter/PropertiesHighlightingVisitor.kt
@@ -28,6 +28,7 @@ import org.jetbrains.kotlin.psi.KtThisExpression
 import org.jetbrains.kotlin.resolve.BindingContext
 import org.jetbrains.kotlin.resolve.DescriptorUtils
 import org.jetbrains.kotlin.resolve.calls.tasks.isDynamic
+import org.jetbrains.kotlin.resolve.calls.tower.isSynthesized
 
 internal class PropertiesHighlightingVisitor(holder: AnnotationHolder, bindingContext: BindingContext)
     : AfterAnalysisHighlightingVisitor(holder, bindingContext) {
@@ -79,7 +80,7 @@ internal class PropertiesHighlightingVisitor(holder: AnnotationHolder, bindingCo
                 DYNAMIC_PROPERTY_CALL
 
             descriptor.extensionReceiverParameter != null ->
-                EXTENSION_PROPERTY
+                if (descriptor.isSynthesized) SYNTHETIC_EXTENSION_PROPERTY else EXTENSION_PROPERTY
 
             DescriptorUtils.isStaticDeclaration(descriptor) ->
                 PACKAGE_PROPERTY
diff --git a/idea/src/org/jetbrains/kotlin/idea/highlighter/KotlinColorSettingsPage.kt b/idea/src/org/jetbrains/kotlin/idea/highlighter/KotlinColorSettingsPage.kt
index 9826d8c681b..0e088747543 100644
--- a/idea/src/org/jetbrains/kotlin/idea/highlighter/KotlinColorSettingsPage.kt
+++ b/idea/src/org/jetbrains/kotlin/idea/highlighter/KotlinColorSettingsPage.kt
@@ -60,6 +60,7 @@ class KotlinColorSettingsPage : ColorSettingsPage, RainbowColorSettingsPage {
         dyn.<DYNAMIC_FUNCTION_CALL>dynamicCall</DYNAMIC_FUNCTION_CALL>()
         dyn.<DYNAMIC_PROPERTY_CALL>dynamicProp</DYNAMIC_PROPERTY_CALL> = 5
         val <LOCAL_VARIABLE>klass</LOCAL_VARIABLE> = <CLASS>MyClass</CLASS>::<KEYWORD>class</KEYWORD>
+        val year = java.time.LocalDate.now().<SYNTHETIC_EXTENSION_PROPERTY>year</SYNTHETIC_EXTENSION_PROPERTY>
     }
 
     <BUILTIN_ANNOTATION>override</BUILTIN_ANNOTATION> fun hashCode(): Int {
@@ -155,6 +156,7 @@ var <PACKAGE_PROPERTY><MUTABLE_VARIABLE>globalCounter</MUTABLE_VARIABLE></PACKAG
                        KotlinBundle.message("options.kotlin.attribute.descriptor.package.property") to KotlinHighlightingColors.PACKAGE_PROPERTY,
                        KotlinBundle.message("options.kotlin.attribute.descriptor.field") to KotlinHighlightingColors.BACKING_FIELD_VARIABLE,
                        KotlinBundle.message("options.kotlin.attribute.descriptor.extension.property") to KotlinHighlightingColors.EXTENSION_PROPERTY,
+                       KotlinBundle.message("options.kotlin.attribute.descriptor.synthetic.extension.property") to KotlinHighlightingColors.SYNTHETIC_EXTENSION_PROPERTY,
                        KotlinBundle.message("options.kotlin.attribute.descriptor.dynamic.property") to KotlinHighlightingColors.DYNAMIC_PROPERTY_CALL,
                        KotlinBundle.message("options.kotlin.attribute.descriptor.android.extensions.property") to KotlinHighlightingColors.ANDROID_EXTENSIONS_PROPERTY_CALL,
                        KotlinBundle.message("options.kotlin.attribute.descriptor.it") to KotlinHighlightingColors.FUNCTION_LITERAL_DEFAULT_PARAMETER,
diff --git a/idea/testData/highlighter/SyntheticExtensionProperty.kt b/idea/testData/highlighter/SyntheticExtensionProperty.kt
new file mode 100644
index 00000000000..a5b4bd98dad
--- /dev/null
+++ b/idea/testData/highlighter/SyntheticExtensionProperty.kt
@@ -0,0 +1 @@
+val <info textAttributesKey="KOTLIN_PACKAGE_PROPERTY">weekYear</info> = java.util.<info textAttributesKey="KOTLIN_ABSTRACT_CLASS">Calendar</info>.<info textAttributesKey="KOTLIN_FUNCTION_CALL">getInstance</info>().<info textAttributesKey="KOTLIN_SYNTHETIC_EXTENSION_PROPERTY">weekYear</info>
\ No newline at end of file
diff --git a/idea/tests/org/jetbrains/kotlin/idea/highlighter/HighlightingTestGenerated.java b/idea/tests/org/jetbrains/kotlin/idea/highlighter/HighlightingTestGenerated.java
index 279e21566b4..7b456ba0ec9 100644
--- a/idea/tests/org/jetbrains/kotlin/idea/highlighter/HighlightingTestGenerated.java
+++ b/idea/tests/org/jetbrains/kotlin/idea/highlighter/HighlightingTestGenerated.java
@@ -120,6 +120,12 @@ public class HighlightingTestGenerated extends AbstractHighlightingTest {
         doTest(fileName);
     }
 
+    @TestMetadata("SyntheticExtensionProperty.kt")
+    public void testSyntheticExtensionProperty() throws Exception {
+        String fileName = KotlinTestUtils.navigationMetadata("idea/testData/highlighter/SyntheticExtensionProperty.kt");
+        doTest(fileName);
+    }
+
     @TestMetadata("Todo.kt")
     public void testTodo() throws Exception {
         String fileName = KotlinTestUtils.navigationMetadata("idea/testData/highlighter/Todo.kt");