diff --git a/plugins/ImpromptuModularDark/PanelTheme.cpp b/plugins/ImpromptuModularDark/PanelTheme.cpp
new file mode 100644
index 0000000..a4263a6
--- /dev/null
+++ b/plugins/ImpromptuModularDark/PanelTheme.cpp
@@ -0,0 +1,131 @@
+//***********************************************************************************************
+//Impromptu Modular: Modules for VCV Rack by Marc Boulé
+//
+//See ./LICENSE.md for all licenses
+//***********************************************************************************************
+
+
+#include "../ImpromptuModular/src/comp/PanelTheme.hpp"
+
+
+
+void loadThemeAndContrastFromDefault(int* panelTheme, float* panelContrast) {
+	*panelTheme = 1;
+	*panelContrast = panelContrastDefault;
+}
+
+
+void createPanelThemeMenu(ui::Menu* menu, int* panelTheme, float* panelContrast, SvgPanel* mainPanel) {
+		
+	struct PanelThemeItem : MenuItem {
+		int* panelTheme = NULL;
+		float* panelContrast = NULL;
+		SvgPanel* mainPanel;
+		
+		Menu *createChildMenu() override {
+			struct PanelThemeDarkItem : MenuItem {
+				int* panelTheme = NULL;
+				SvgPanel* mainPanel;
+				void onAction(const event::Action &e) override {
+					*panelTheme ^= 0x1;
+					mainPanel->fb->dirty = true;
+					e.unconsume();
+				}
+			};
+
+			struct PanelContrastQuantity : Quantity {
+				float* panelContrast;
+				SvgPanel* mainPanel;
+				
+				PanelContrastQuantity(float* _panelContrast, SvgPanel* _mainPanel) {
+					panelContrast = _panelContrast;
+					mainPanel = _mainPanel;
+				}
+				void setValue(float value) override {
+					*panelContrast = math::clamp(value, getMinValue(), getMaxValue());
+					mainPanel->fb->dirty = true;
+				}
+				float getValue() override {
+					return *panelContrast;
+				}
+				float getMinValue() override {return panelContrastMin;}
+				float getMaxValue() override {return panelContrastMax;}
+				float getDefaultValue() override {return panelContrastDefault;}
+				float getDisplayValue() override {return *panelContrast;}
+				std::string getDisplayValueString() override {
+					return string::f("%.1f", rescale(*panelContrast, getMinValue(), getMaxValue(), 0.0f, 100.0f));
+				}
+				void setDisplayValue(float displayValue) override {setValue(displayValue);}
+				std::string getLabel() override {return "Panel contrast";}
+				std::string getUnit() override {return "";}
+			};
+			struct PanelContrastSlider : ui::Slider {
+				PanelContrastSlider(float* panelContrast, SvgPanel* mainPanel) {
+					quantity = new PanelContrastQuantity(panelContrast, mainPanel);
+				}
+				~PanelContrastSlider() {
+					delete quantity;
+				}
+			};
+			Menu *menu = new Menu;
+			
+			PanelThemeDarkItem *ptdItem = createMenuItem<PanelThemeDarkItem>("Dark", CHECKMARK(*panelTheme));
+			ptdItem->panelTheme = panelTheme;
+			ptdItem->mainPanel = mainPanel;
+			menu->addChild(ptdItem);
+			
+			PanelContrastSlider *cSlider = new PanelContrastSlider(panelContrast, mainPanel);
+			cSlider->box.size.x = 200.0f;
+			menu->addChild(cSlider);
+
+			return menu;
+		}
+	};
+	
+	PanelThemeItem *ptItem = createMenuItem<PanelThemeItem>("Panel theme", RIGHT_ARROW);
+	ptItem->panelTheme = panelTheme;
+	ptItem->panelContrast = panelContrast;
+	ptItem->mainPanel = mainPanel;
+	menu->addChild(ptItem);
+}
+
+
+void PanelBaseWidget::draw(const DrawArgs& args) {
+	nvgBeginPath(args.vg);
+	NVGcolor baseColor;
+	if (panelContrastSrc) {
+		baseColor = nvgRGB(*panelContrastSrc, *panelContrastSrc, *panelContrastSrc);
+	}
+	else {
+		int themeDefault;
+		float contrastDefault;
+		loadThemeAndContrastFromDefault(&themeDefault, &contrastDefault);
+		baseColor = nvgRGB(contrastDefault, contrastDefault, contrastDefault);
+	}
+	nvgFillColor(args.vg, baseColor);
+	nvgRect(args.vg, 0, 0, box.size.x, box.size.y);
+	nvgFill(args.vg);
+	TransparentWidget::draw(args);
+}
+
+
+void InverterWidget::draw(const DrawArgs& args) {
+	TransparentWidget::draw(args);
+	if (isDark(panelThemeSrc)) {
+		// nvgSave(args.vg);
+		nvgBeginPath(args.vg);
+		nvgFillColor(args.vg, SCHEME_WHITE);// this is the source, the current framebuffer is the dest	
+		nvgRect(args.vg, 0, 0, box.size.x, box.size.y);
+		nvgGlobalCompositeBlendFuncSeparate(args.vg, 
+			NVG_ONE_MINUS_DST_COLOR,// srcRGB
+			NVG_ZERO,// dstRGB
+			NVG_ONE_MINUS_DST_COLOR,// srcAlpha
+			NVG_ONE);// dstAlpha
+		// blend factor: https://github.com/memononen/nanovg/blob/master/src/nanovg.h#L86
+		// OpenGL blend doc: https://www.khronos.org/opengl/wiki/Blending
+		nvgFill(args.vg);
+		nvgClosePath(args.vg);
+		// nvgRestore(args.vg);
+	}			
+}
+
diff --git a/plugins/Makefile b/plugins/Makefile
index 44d5b60..6e06169 100644
--- a/plugins/Makefile
+++ b/plugins/Makefile
@@ -404,7 +404,8 @@ PLUGIN_FILES += $(filter-out GrandeModular/src/plugin.cpp,$(wildcard GrandeModul
 # ImpromptuModular
 
 PLUGIN_FILES += $(wildcard ImpromptuModular/src/*.cpp)
-PLUGIN_FILES += $(wildcard ImpromptuModular/src/comp/*.cpp)
+PLUGIN_FILES += $(filter-out ImpromptuModular/src/comp/PanelTheme.cpp,$(wildcard ImpromptuModular/src/comp/*.cpp))
+PLUGIN_FILES += ImpromptuModularDark/PanelTheme.cpp
 
 # modules/types which are present in other plugins
 IMPROMPTUMODULAR_CUSTOM = RefreshCounter
@@ -872,27 +873,18 @@ $(BUILD_DIR)/ImpromptuModular/src/Foundr%.cpp.o: ImpromptuModular/src/Foundr%.cp
 	$(SILENT)$(CXX) $< $(BUILD_CXX_FLAGS) -c -o $@ \
 		$(foreach m,$(IMPROMPTUMODULAR_CUSTOM),$(call custom_module_names,$(m),ImpromptuModular)) \
 		-DpluginInstance=pluginInstance__ImpromptuModular \
-		-DStepAttributes=StepAttributesKernel
-
-$(BUILD_DIR)/ImpromptuModular/src/comp/Components.cpp.o: ImpromptuModular/src/comp/Components.cpp
-	-@mkdir -p "$(shell dirname $(BUILD_DIR)/$<)"
-	@echo "Compiling $<"
-	$(SILENT)$(CXX) $< $(BUILD_CXX_FLAGS) -c -o $@ \
-		$(foreach m,$(IMPROMPTUMODULAR_CUSTOM),$(call custom_module_names,$(m),ImpromptuModular)) \
-		-DpluginInstance=pluginInstance__ImpromptuModular \
-		-DsaveDarkAsDefault=ImpromptuModularIgnore1 \
-		-DloadDarkAsDefault=ImpromptuModularIgonre2
+		-DStepAttributes=StepAttributesKernel \
 
 # FIXME -DsetNextCableColor=isComplete shouldn't be here
-$(BUILD_DIR)/ImpromptuModular/%.cpp.o: ImpromptuModular/%.cpp
+$(BUILD_DIR)/ImpromptuModular%.cpp.o: ImpromptuModular%.cpp
 	-@mkdir -p "$(shell dirname $(BUILD_DIR)/$<)"
 	@echo "Compiling $<"
 	$(SILENT)$(CXX) $< $(BUILD_CXX_FLAGS) -c -o $@ \
 		$(foreach m,$(IMPROMPTUMODULAR_CUSTOM),$(call custom_module_names,$(m),ImpromptuModular)) \
 		$(foreach m,$(IMPROMPTUMODULAR_CUSTOM_PER_FILE),$(call custom_per_file_names,$(m),ImpromptuModular_$(shell basename $*))) \
 		-DpluginInstance=pluginInstance__ImpromptuModular \
-		-DsetNextCableColor=isComplete \
-		-Dinit=init__ImpromptuModular
+		-Dinit=init__ImpromptuModular \
+		-DsetNextCableColor=isComplete
 
 $(BUILD_DIR)/JW-Modules/%.cpp.o: JW-Modules/%.cpp
 	-@mkdir -p "$(shell dirname $(BUILD_DIR)/$<)"
diff --git a/plugins/plugins.cpp b/plugins/plugins.cpp
index 3c2d7f5..e93b9d4 100644
--- a/plugins/plugins.cpp
+++ b/plugins/plugins.cpp
@@ -295,8 +295,6 @@ extern Model *modelMaude_221;
 // stuff that reads config files, we dont want that
 int loadConsoleType() { return 0; }
 int loadDirectOutMode() { return 0; }
-bool loadDarkAsDefault() { return true; }
-bool loadQuality() { return false; }
 void saveConsoleType(int) {}
 void saveDarkAsDefault(bool) {}
 void saveDirectOutMode(bool) {}