diff --git a/pdf_viewer/config.cpp b/pdf_viewer/config.cpp
index 1393ff90c..8cd665d42 100644
--- a/pdf_viewer/config.cpp
+++ b/pdf_viewer/config.cpp
@@ -28,6 +28,7 @@ extern bool HOVER_OVERVIEW;
 //extern bool AUTO_EMBED_ANNOTATIONS;
 extern bool DEFAULT_DARK_MODE;
 extern bool USE_SYSTEM_THEME;
+extern bool USE_CUSTOM_AS_DARK;
 extern float HIGHLIGHT_COLORS[26 * 3];
 extern std::wstring SEARCH_URLS[26];
 extern std::wstring EXECUTE_COMMANDS[26];
@@ -716,6 +717,14 @@ ConfigManager::ConfigManager(const Path& default_path, const Path& auto_path, co
         bool_deserializer,
         bool_validator
         });
+    configs.push_back({
+        L"use_custom_as_dark",
+        ConfigType::Bool,
+        &USE_CUSTOM_AS_DARK,
+        bool_serializer,
+        bool_deserializer,
+        bool_validator
+        });
     configs.push_back({
         L"render_freetext_borders",
         ConfigType::Bool,
diff --git a/pdf_viewer/main.cpp b/pdf_viewer/main.cpp
index 173d372c6..8f9293293 100644
--- a/pdf_viewer/main.cpp
+++ b/pdf_viewer/main.cpp
@@ -200,6 +200,7 @@ bool SHOULD_USE_MULTIPLE_MONITORS = false;
 bool SHOULD_CHECK_FOR_LATEST_VERSION_ON_STARTUP = false;
 bool DEFAULT_DARK_MODE = false;
 bool USE_SYSTEM_THEME = false;
+bool USE_CUSTOM_AS_DARK = false;
 bool SORT_BOOKMARKS_BY_LOCATION = true;
 std::wstring LIBGEN_ADDRESS = L"";
 std::wstring GOOGLE_SCHOLAR_ADDRESS = L"";
diff --git a/pdf_viewer/main_widget.cpp b/pdf_viewer/main_widget.cpp
index 3cfe2fef0..37b3b8c03 100644
--- a/pdf_viewer/main_widget.cpp
+++ b/pdf_viewer/main_widget.cpp
@@ -203,6 +203,7 @@ extern int NUM_CACHED_PAGES;
 extern bool IGNORE_SCROLL_EVENTS;
 extern bool DONT_FOCUS_IF_SYNCTEX_RECT_IS_VISIBLE;
 extern bool USE_SYSTEM_THEME;
+extern bool USE_CUSTOM_AS_DARK;
 
 extern bool SHOW_RIGHT_CLICK_CONTEXT_MENU;
 extern std::wstring CONTEXT_MENU_ITEMS;
@@ -3747,10 +3748,14 @@ CommandManager* MainWidget::get_command_manager() {
 }
 
 void MainWidget::toggle_dark_mode() {
-    this->opengl_widget->toggle_dark_mode();
+    if (USE_CUSTOM_AS_DARK) {
+        toggle_custom_color_mode();
+    } else {
+        this->opengl_widget->toggle_dark_mode();
 
-    if (helper_opengl_widget_) {
-        helper_opengl_widget_->toggle_dark_mode();
+        if (helper_opengl_widget_) {
+            helper_opengl_widget_->toggle_dark_mode();
+        }
     }
 }
 
@@ -6771,12 +6776,16 @@ int MainWidget::get_current_colorscheme_index() {
 }
 
 void MainWidget::set_dark_mode() {
-    if (opengl_widget->get_current_color_mode() != PdfViewOpenGLWidget::ColorPalette::Dark) {    
-        opengl_widget->set_dark_mode(true);
-    }
-    if (helper_opengl_widget_) {
-        if (helper_opengl_widget_->get_current_color_mode() != PdfViewOpenGLWidget::ColorPalette::Dark) {    
-            helper_opengl_widget_->set_dark_mode(true);
+    if (USE_CUSTOM_AS_DARK) {
+        set_custom_color_mode();
+    } else{
+        if (opengl_widget->get_current_color_mode() != PdfViewOpenGLWidget::ColorPalette::Dark) {    
+            opengl_widget->set_dark_mode(true);
+        }
+        if (helper_opengl_widget_) {
+            if (helper_opengl_widget_->get_current_color_mode() != PdfViewOpenGLWidget::ColorPalette::Dark) {    
+                helper_opengl_widget_->set_dark_mode(true);
+            }
         }
     }
 }