diff --git a/modules/gdscript/editor/gdscript_highlighter.cpp b/modules/gdscript/editor/gdscript_highlighter.cpp
index 69564324d12..9bcb21909f5 100644
--- a/modules/gdscript/editor/gdscript_highlighter.cpp
+++ b/modules/gdscript/editor/gdscript_highlighter.cpp
@@ -430,6 +430,7 @@ Dictionary GDScriptSyntaxHighlighter::_get_line_syntax_highlighting_impl(int p_l
 				expect_type = false;
 			} else if (member_keywords.has(word)) {
 				col = member_keywords[word];
+				in_member_variable = true;
 			}
 
 			if (col != Color()) {
@@ -442,7 +443,7 @@ Dictionary GDScriptSyntaxHighlighter::_get_line_syntax_highlighting_impl(int p_l
 					}
 				}
 
-				if (col != Color()) {
+				if (!in_member_variable && col != Color()) {
 					in_keyword = true;
 					keyword_color = col;
 				}
@@ -627,7 +628,7 @@ Dictionary GDScriptSyntaxHighlighter::_get_line_syntax_highlighting_impl(int p_l
 			color = keyword_color;
 		} else if (in_signal_declaration) {
 			next_type = SIGNAL;
-			color = member_color;
+			color = member_variable_color;
 		} else if (in_function_name) {
 			next_type = FUNCTION;
 			if (!in_lambda && in_function_declaration) {
@@ -646,7 +647,7 @@ Dictionary GDScriptSyntaxHighlighter::_get_line_syntax_highlighting_impl(int p_l
 			color = type_color;
 		} else if (in_member_variable) {
 			next_type = MEMBER;
-			color = member_color;
+			color = member_variable_color;
 		} else {
 			next_type = IDENTIFIER;
 		}
@@ -709,7 +710,7 @@ void GDScriptSyntaxHighlighter::_update_cache() {
 	symbol_color = EDITOR_GET("text_editor/theme/highlighting/symbol_color");
 	function_color = EDITOR_GET("text_editor/theme/highlighting/function_color");
 	number_color = EDITOR_GET("text_editor/theme/highlighting/number_color");
-	member_color = EDITOR_GET("text_editor/theme/highlighting/member_variable_color");
+	member_variable_color = EDITOR_GET("text_editor/theme/highlighting/member_variable_color");
 
 	/* Engine types. */
 	const Color types_color = EDITOR_GET("text_editor/theme/highlighting/engine_type_color");
@@ -779,7 +780,7 @@ void GDScriptSyntaxHighlighter::_update_cache() {
 		global_functions.insert(E);
 	}
 
-	/* Comments */
+	/* Comments. */
 	const Color comment_color = EDITOR_GET("text_editor/theme/highlighting/comment_color");
 	for (const String &comment : gdscript->get_comment_delimiters()) {
 		String beg = comment.get_slicec(' ', 0);
@@ -811,15 +812,14 @@ void GDScriptSyntaxHighlighter::_update_cache() {
 	add_color_region(ColorRegion::TYPE_MULTILINE_STRING, "\"\"\"", "\"\"\"", string_color, false, true);
 	add_color_region(ColorRegion::TYPE_MULTILINE_STRING, "'''", "'''", string_color, false, true);
 
-	const Ref<Script> scr = _get_edited_resource();
+	/* Members. */
+	Ref<Script> scr = _get_edited_resource();
 	if (scr.is_valid()) {
-		/* Member types. */
-		const Color member_variable_color = EDITOR_GET("text_editor/theme/highlighting/member_variable_color");
 		StringName instance_base = scr->get_instance_base_type();
 		if (instance_base != StringName()) {
-			List<PropertyInfo> plist;
-			ClassDB::get_property_list(instance_base, &plist);
-			for (const PropertyInfo &E : plist) {
+			List<PropertyInfo> property_list;
+			ClassDB::get_property_list(instance_base, &property_list);
+			for (const PropertyInfo &E : property_list) {
 				String prop_name = E.name;
 				if (E.usage & PROPERTY_USAGE_CATEGORY || E.usage & PROPERTY_USAGE_GROUP || E.usage & PROPERTY_USAGE_SUBGROUP) {
 					continue;
@@ -830,12 +830,61 @@ void GDScriptSyntaxHighlighter::_update_cache() {
 				member_keywords[prop_name] = member_variable_color;
 			}
 
-			List<String> clist;
-			ClassDB::get_integer_constant_list(instance_base, &clist);
-			for (const String &E : clist) {
+			List<MethodInfo> signal_list;
+			ClassDB::get_signal_list(instance_base, &signal_list);
+			for (const MethodInfo &E : signal_list) {
+				member_keywords[E.name] = member_variable_color;
+			}
+
+			// For callables.
+			List<MethodInfo> method_list;
+			ClassDB::get_method_list(instance_base, &method_list);
+			for (const MethodInfo &E : method_list) {
+				member_keywords[E.name] = member_variable_color;
+			}
+
+			List<String> constant_list;
+			ClassDB::get_integer_constant_list(instance_base, &constant_list);
+			for (const String &E : constant_list) {
 				member_keywords[E] = member_variable_color;
 			}
 		}
+
+		List<PropertyInfo> scr_property_list;
+		scr->get_script_property_list(&scr_property_list);
+		for (const PropertyInfo &E : scr_property_list) {
+			String prop_name = E.name;
+			if (E.usage & PROPERTY_USAGE_CATEGORY || E.usage & PROPERTY_USAGE_GROUP || E.usage & PROPERTY_USAGE_SUBGROUP) {
+				continue;
+			}
+			if (prop_name.contains_char('/')) {
+				continue;
+			}
+			member_keywords[prop_name] = member_variable_color;
+		}
+
+		List<MethodInfo> scr_signal_list;
+		scr->get_script_signal_list(&scr_signal_list);
+		for (const MethodInfo &E : scr_signal_list) {
+			member_keywords[E.name] = member_variable_color;
+		}
+
+		// For callables.
+		List<MethodInfo> scr_method_list;
+		scr->get_script_method_list(&scr_method_list);
+		for (const MethodInfo &E : scr_method_list) {
+			member_keywords[E.name] = member_variable_color;
+		}
+
+		Ref<Script> scr_class = scr;
+		while (scr_class.is_valid()) {
+			HashMap<StringName, Variant> scr_constant_list;
+			scr_class->get_constants(&scr_constant_list);
+			for (const KeyValue<StringName, Variant> &E : scr_constant_list) {
+				member_keywords[E.key.operator String()] = member_variable_color;
+			}
+			scr_class = scr_class->get_base_script();
+		}
 	}
 
 	const String text_edit_color_theme = EDITOR_GET("text_editor/theme/color_theme");
diff --git a/modules/gdscript/editor/gdscript_highlighter.h b/modules/gdscript/editor/gdscript_highlighter.h
index e227f4deee0..7f317184885 100644
--- a/modules/gdscript/editor/gdscript_highlighter.h
+++ b/modules/gdscript/editor/gdscript_highlighter.h
@@ -87,7 +87,7 @@ private:
 	Color function_definition_color;
 	Color built_in_type_color;
 	Color number_color;
-	Color member_color;
+	Color member_variable_color;
 	Color string_color;
 	Color node_path_color;
 	Color node_ref_color;