diff --git a/plugins/samplesource/filesource/filesourcegui.cpp b/plugins/samplesource/filesource/filesourcegui.cpp
index c5e533f4f..bc4c7ee90 100644
--- a/plugins/samplesource/filesource/filesourcegui.cpp
+++ b/plugins/samplesource/filesource/filesourcegui.cpp
@@ -52,7 +52,7 @@ FileSourceGui::FileSourceGui(DeviceSourceAPI *deviceAPI, QWidget* parent) :
 	m_lastEngineState((DSPDeviceSourceEngine::State)-1)
 {
 	ui->setupUi(this);
-	ui->centerFrequency->setColorMapper(ColorMapper(ColorMapper::ReverseGold));
+	ui->centerFrequency->setColorMapper(ColorMapper(ColorMapper::GrayGold));
 	ui->centerFrequency->setValueRange(7, 0, pow(10,7));
 	ui->fileNameText->setText(m_fileName);
 
diff --git a/sdrbase/gui/colormapper.cpp b/sdrbase/gui/colormapper.cpp
index d6af5a95c..f796f731a 100644
--- a/sdrbase/gui/colormapper.cpp
+++ b/sdrbase/gui/colormapper.cpp
@@ -105,6 +105,34 @@ ColorMapper::ColorMapper(Theme theme) :
         m_boundaryColor = QColor(0x46, 0x66, 0x20);             // 69% saturation 40% brightness
         m_boundaryAlphaColor = QColor(0x8c, 0xff, 0x00, 0x20);  // Base with alpha
         break;
+    case GrayGreenYellow:
+        m_dialBackgroundcolorMap.push_back(std::pair<float, QColor>(0.0, QColor(33, 33, 33))); // 59% darkness
+        m_dialBackgroundcolorMap.push_back(std::pair<float, QColor>(0.1, QColor(50, 50, 50))); // 37% darkness
+        m_dialBackgroundcolorMap.push_back(std::pair<float, QColor>(0.2, QColor(67, 67, 67))); // 18% darkness
+        m_dialBackgroundcolorMap.push_back(std::pair<float, QColor>(0.5, QColor(80, 80, 80))); //  0% darkness
+        m_dialBackgroundcolorMap.push_back(std::pair<float, QColor>(0.8, QColor(60, 60, 60))); // 25% darkness
+        m_dialBackgroundcolorMap.push_back(std::pair<float, QColor>(0.9, QColor(50, 50, 50))); // 37% darkness
+        m_dialBackgroundcolorMap.push_back(std::pair<float, QColor>(1.0, QColor(33, 33, 33))); // 59% darkness
+        m_foregroundColor = QColor(0x8c, 0xff, 0x00);           // Base 87 (=120-33) degrees hue
+        m_secondaryForegroundColor = QColor(0xc6, 0xff, 0x80);  // 50% saturation
+        m_highlightColor = QColor(0xa9, 0xff, 0x40, 0x80);      // 75% saturation
+        m_boundaryColor = QColor(0x46, 0x66, 0x20);             // 69% saturation 40% brightness
+        m_boundaryAlphaColor = QColor(0x8c, 0xff, 0x00, 0x20);  // Base with alpha
+        break;
+    case GrayGold:
+        m_dialBackgroundcolorMap.push_back(std::pair<float, QColor>(0.0, QColor(33, 33, 33))); // 59% darkness
+        m_dialBackgroundcolorMap.push_back(std::pair<float, QColor>(0.1, QColor(50, 50, 50))); // 37% darkness
+        m_dialBackgroundcolorMap.push_back(std::pair<float, QColor>(0.2, QColor(67, 67, 67))); // 18% darkness
+        m_dialBackgroundcolorMap.push_back(std::pair<float, QColor>(0.5, QColor(80, 80, 80))); //  0% darkness
+        m_dialBackgroundcolorMap.push_back(std::pair<float, QColor>(0.8, QColor(60, 60, 60))); // 25% darkness
+        m_dialBackgroundcolorMap.push_back(std::pair<float, QColor>(0.9, QColor(50, 50, 50))); // 37% darkness
+        m_dialBackgroundcolorMap.push_back(std::pair<float, QColor>(1.0, QColor(33, 33, 33))); // 59% darkness
+        m_foregroundColor = QColor(0xff, 0x8b, 0x00);           // Base 33 degrees hue
+        m_secondaryForegroundColor = QColor(0xff, 0xc5, 0x80);  // 50% saturation
+        m_highlightColor = QColor(0xbf, 0x69, 0x00, 0x80);      // 75% saturation
+        m_boundaryColor = QColor(0x66, 0x38, 0x20);             // 69% saturation 40% brightness
+        m_boundaryAlphaColor = QColor(0xff, 0x8b, 0x00, 0x20);  // Base with alpha
+        break;
 	case Normal:
 	default:
 		m_dialBackgroundcolorMap.push_back(std::pair<float, QColor>(0.0, QColor(0x40, 0x40, 0x40)));
diff --git a/sdrbase/gui/colormapper.h b/sdrbase/gui/colormapper.h
index 1c469f45e..e13dee659 100644
--- a/sdrbase/gui/colormapper.h
+++ b/sdrbase/gui/colormapper.h
@@ -22,7 +22,9 @@ public:
 		ReverseGreenEmerald,
 		ReverseGreen,
 		ReverseGreenApple,
-		ReverseGreenYellow
+		ReverseGreenYellow,
+        GrayGreenYellow,
+        GrayGold
 	};
 
 	typedef std::vector<std::pair<float, QColor> > colormap;