diff --git a/src/themes/chartthemedefault_p.h b/src/themes/chartthemedefault_p.h
index 84c26e7..bac5121 100644
--- a/src/themes/chartthemedefault_p.h
+++ b/src/themes/chartthemedefault_p.h
@@ -1,4 +1,8 @@
 #include "charttheme_p.h"
+#ifdef Q_OS_WIN
+#include <windows.h>
+#include <stdio.h>
+#endif
 
 QTCOMMERCIALCHART_BEGIN_NAMESPACE
 
@@ -7,10 +11,77 @@ class ChartThemeDefault: public ChartTheme
 public:
     ChartThemeDefault():ChartTheme(QChart::ChartThemeDefault)
     {
-        // TODO: replace this dummy theme with an actual theme
+#ifdef Q_OS_WIN
+        // First series base color from COLOR_WINDOWFRAME
+        DWORD colorWindowFrame;
+        colorWindowFrame = GetSysColor(COLOR_WINDOWFRAME);
+        m_seriesColors.append(QColor(GetRValue(colorWindowFrame), GetGValue(colorWindowFrame),GetBValue(colorWindowFrame)));
+
+        // Second series base color from COLOR_HIGHLIGHT
+        DWORD colorHighlight;
+        colorHighlight = GetSysColor(COLOR_HIGHLIGHT);
+        m_seriesColors.append(QColor(GetRValue(colorHighlight), GetGValue(colorHighlight),GetBValue(colorHighlight)));
+
+        // Thirs series base color from the middle of the COLOR_ACTIVECAPTION /
+        // COLOR_GRADIENTACTIVECAPTION gradient
+        DWORD colorGradientActiveCaptionLeft;
+        colorGradientActiveCaptionLeft = GetSysColor(COLOR_ACTIVECAPTION);
+        DWORD colorGradientActiveCaptionRight;
+        colorGradientActiveCaptionRight = GetSysColor(COLOR_GRADIENTACTIVECAPTION);
+        QLinearGradient g;
+        QColor start = QColor(GetRValue(colorGradientActiveCaptionLeft),
+                              GetGValue(colorGradientActiveCaptionLeft),
+                              GetBValue(colorGradientActiveCaptionLeft));
+        g.setColorAt(0.0, start);
+        QColor end = QColor(GetRValue(colorGradientActiveCaptionRight),
+                              GetGValue(colorGradientActiveCaptionRight),
+                              GetBValue(colorGradientActiveCaptionRight));
+        g.setColorAt(1.0, end);
+        m_seriesColors.append(colorAt(g, 0.5));
+
+        // Generate gradients from the base colors
+        generateSeriesGradients();
+
+        // Background fill color from COLOR_WINDOW
+        QLinearGradient backgroundGradient;
+        DWORD colorWindow;
+        colorWindow = GetSysColor(COLOR_WINDOW);
+        backgroundGradient.setColorAt(0.0, QColor(GetRValue(colorWindow),
+                                                  GetGValue(colorWindow),
+                                                  GetBValue(colorWindow)));
+        backgroundGradient.setColorAt(1.0, QColor(GetRValue(colorWindow),
+                                                  GetGValue(colorWindow),
+                                                  GetBValue(colorWindow)));
+
+        // TODO: COLOR_WINDOWTEXT for text color?
+        // TODO: COLOR_INFOTEXT for tooltip text color?
+        // TODO: COLOR_INFOBK for tooltip background color?
+#elif Q_OS_LINUX
+        // TODO: replace this dummy theme with linux specific theme
+        m_seriesColors << QRgb(0xff707070);
+        m_seriesColors << QRgb(0xffA0A0A0);
+        generateSeriesGradients();
+
+        QLinearGradient backgroundGradient;
+        backgroundGradient.setColorAt(0.0, QRgb(0xffffffff));
+        backgroundGradient.setColorAt(1.0, QRgb(0xffafafaf));
+        backgroundGradient.setCoordinateMode(QGradient::ObjectBoundingMode);
+        m_backgroundGradient = backgroundGradient;
+#elif Q_OS_MAC
+        // TODO: replace this dummy theme with OSX specific theme
         m_seriesColors << QRgb(0xff707070);
         m_seriesColors << QRgb(0xffA0A0A0);
+        generateSeriesGradients();
 
+        QLinearGradient backgroundGradient;
+        backgroundGradient.setColorAt(0.0, QRgb(0xffffffff));
+        backgroundGradient.setColorAt(1.0, QRgb(0xffafafaf));
+        backgroundGradient.setCoordinateMode(QGradient::ObjectBoundingMode);
+        m_backgroundGradient = backgroundGradient;
+#else
+        // TODO: replace this dummy theme with generic (not OS specific) theme
+        m_seriesColors << QRgb(0xff707070);
+        m_seriesColors << QRgb(0xffA0A0A0);
         generateSeriesGradients();
 
         QLinearGradient backgroundGradient;
@@ -18,6 +89,7 @@ public:
         backgroundGradient.setColorAt(1.0, QRgb(0xffafafaf));
         backgroundGradient.setCoordinateMode(QGradient::ObjectBoundingMode);
         m_backgroundGradient = backgroundGradient;
+#endif
     }
 };