diff --git a/src/Gui/CornerCrossLetters.h b/src/Gui/CornerCrossLetters.h
index 16b251e3d7..d60c6d35dd 100644
--- a/src/Gui/CornerCrossLetters.h
+++ b/src/Gui/CornerCrossLetters.h
@@ -16,8 +16,8 @@ namespace Gui {
 #define XPM_WIDTH (21)
 #define XPM_HEIGHT (27)
 #define XPM_BYTES_PER_PIXEL (4) /* 2:RGB16, 3:RGB, 4:RGBA */
-#define XPM_PIXEL_DATA ((unsigned char*) XPM_pixel_data)
-static const unsigned char XPM_pixel_data[21 * 27 * 4 + 1] =
+#define XPM_PIXEL_MASK ((unsigned char*) ::XPM_pixel_mask)
+static const unsigned char XPM_pixel_mask[21 * 27 * 4 + 1] =
 ("\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000"
  "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000"
  "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000"
@@ -89,8 +89,8 @@ static const unsigned char XPM_pixel_data[21 * 27 * 4 + 1] =
 #define YPM_WIDTH (21)
 #define YPM_HEIGHT (27)
 #define YPM_BYTES_PER_PIXEL (4) /* 2:RGB16, 3:RGB, 4:RGBA */
-#define YPM_PIXEL_DATA ((unsigned char*) YPM_pixel_data)
-static const unsigned char YPM_pixel_data[21 * 27 * 4 + 1] =
+#define YPM_PIXEL_MASK ((unsigned char*) ::YPM_pixel_mask)
+static const unsigned char YPM_pixel_mask[21 * 27 * 4 + 1] =
 ("\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000"
  "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000"
  "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000"
@@ -161,8 +161,8 @@ static const unsigned char YPM_pixel_data[21 * 27 * 4 + 1] =
 #define ZPM_WIDTH (21)
 #define ZPM_HEIGHT (27)
 #define ZPM_BYTES_PER_PIXEL (4) /* 2:RGB16, 3:RGB, 4:RGBA */
-#define ZPM_PIXEL_DATA ((unsigned char*) ZPM_pixel_data)
-static const unsigned char ZPM_pixel_data[21 * 27 * 4 + 1] =
+#define ZPM_PIXEL_MASK ((unsigned char*) ::ZPM_pixel_mask)
+static const unsigned char ZPM_pixel_mask[21 * 27 * 4 + 1] =
 ("\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000"
  "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000"
  "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000"
diff --git a/src/Gui/PreferencePages/DlgSettings3DView.ui b/src/Gui/PreferencePages/DlgSettings3DView.ui
index 975ebf5538..91b6a33e3c 100644
--- a/src/Gui/PreferencePages/DlgSettings3DView.ui
+++ b/src/Gui/PreferencePages/DlgSettings3DView.ui
@@ -24,8 +24,8 @@
      </property>
      <layout class="QVBoxLayout" name="verticalLayout">
       <item>
-       <layout class="QHBoxLayout" name="horizontalLayoutCoord">
-      <item>
+       <layout class="QGridLayout" name="gridLayoutCoord">
+        <item row="0" column="0">
          <widget class="Gui::PrefCheckBox" name="CheckBox_CornerCoordSystem">
           <property name="toolTip">
            <string>Main coordinate system will always be shown in
@@ -45,7 +45,7 @@ lower right corner within opened files</string>
           </property>
          </widget>
         </item>
-        <item>
+        <item row="0" column="1">
          <spacer name="horizontalSpacerCoord">
           <property name="orientation">
            <enum>Qt::Horizontal</enum>
@@ -57,7 +57,7 @@ lower right corner within opened files</string>
           </property>
          </spacer>
         </item>
-        <item>
+        <item row="0" column="2">
          <widget class="QLabel" name="labelCoordSize">
           <property name="text">
            <string>Relative size :   </string>
@@ -67,7 +67,7 @@ lower right corner within opened files</string>
           </property>
          </widget>
         </item>
-        <item>
+        <item row="0" column="3">
          <widget class="Gui::PrefSpinBox" name="SpinBox_CornerCoordSystemSize">
           <property name="toolTip">
            <string>Size of main coordinate system representation
@@ -93,6 +93,33 @@ in the corner -- in % of height/width of viewport</string>
           </property>
          </widget>
         </item>
+        <item row="1" column="2">
+         <widget class="QLabel" name="axisLetterColorLabel">
+          <property name="text">
+           <string>Letter color:</string>
+          </property>
+         </widget>
+        </item>
+        <item row="1" column="3">
+         <widget class="Gui::PrefColorButton" name="axisLetterColor">
+          <property name="toolTip">
+           <string>Axis letter color</string>
+          </property>
+          <property name="color" stdset="0">
+           <color>
+            <red>0</red>
+            <green>0</green>
+            <blue>0</blue>
+           </color>
+          </property>
+          <property name="prefEntry" stdset="0">
+           <cstring>AxisLetterColor</cstring>
+          </property>
+          <property name="prefPath" stdset="0">
+           <cstring>View</cstring>
+          </property>
+         </widget>
+        </item>
        </layout>
       </item>
       <item>
@@ -542,7 +569,7 @@ bounding box size of the 3D object that is currently displayed.</string>
         </property>
        </widget>
       </item>
-     <item row="0" column="1">
+      <item row="0" column="1">
        <widget class="Gui::PrefRadioButton" name="radioOrthographic">
         <property name="toolTip">
          <string>Objects will be projected in orthographic projection</string>
@@ -561,7 +588,7 @@ bounding box size of the 3D object that is currently displayed.</string>
         </property>
        </widget>
       </item>
-      </layout>
+     </layout>
     </widget>
    </item>
    <item>
@@ -678,5 +705,11 @@ bounding box size of the 3D object that is currently displayed.</string>
    <receiver>SpinBox_CornerCoordSystemSize</receiver>
    <slot>setEnabled(bool)</slot>
   </connection>
+  <connection>
+   <sender>CheckBox_CornerCoordSystem</sender>
+   <signal>toggled(bool)</signal>
+   <receiver>axisLetterColor</receiver>
+   <slot>setEnabled(bool)</slot>
+  </connection>
  </connections>
 </ui>
diff --git a/src/Gui/PreferencePages/DlgSettings3DViewImp.cpp b/src/Gui/PreferencePages/DlgSettings3DViewImp.cpp
index 2ff0be450e..49f175bb2a 100644
--- a/src/Gui/PreferencePages/DlgSettings3DViewImp.cpp
+++ b/src/Gui/PreferencePages/DlgSettings3DViewImp.cpp
@@ -85,6 +85,7 @@ void DlgSettings3DViewImp::saveSettings()
     ui->FloatSpinBox_EyeDistance->onSave();
     ui->checkBoxBacklight->onSave();
     ui->backlightColor->onSave();
+    ui->axisLetterColor->onSave();
     ui->sliderIntensity->onSave();
     ui->radioPerspective->onSave();
     ui->radioOrthographic->onSave();
@@ -101,6 +102,7 @@ void DlgSettings3DViewImp::loadSettings()
     ui->FloatSpinBox_EyeDistance->onRestore();
     ui->checkBoxBacklight->onRestore();
     ui->backlightColor->onRestore();
+    ui->axisLetterColor->onRestore();
     ui->sliderIntensity->onRestore();
     ui->radioPerspective->onRestore();
     ui->radioOrthographic->onRestore();
diff --git a/src/Gui/View3DInventorViewer.cpp b/src/Gui/View3DInventorViewer.cpp
index d0ebdd14c8..f713e476b1 100644
--- a/src/Gui/View3DInventorViewer.cpp
+++ b/src/Gui/View3DInventorViewer.cpp
@@ -92,7 +92,6 @@
 
 #include "View3DInventorViewer.h"
 #include "Application.h"
-#include "CornerCrossLetters.h"
 #include "Document.h"
 #include "GLPainter.h"
 #include "MainWindow.h"
@@ -3427,6 +3426,40 @@ void View3DInventorViewer::setViewing(bool enable)
     inherited::setViewing(enable);
 }
 
+unsigned char View3DInventorViewer::XPM_pixel_data[XPM_WIDTH * XPM_HEIGHT * XPM_BYTES_PER_PIXEL + 1] = {};
+unsigned char View3DInventorViewer::YPM_pixel_data[YPM_WIDTH * YPM_HEIGHT * YPM_BYTES_PER_PIXEL + 1] = {};
+unsigned char View3DInventorViewer::ZPM_pixel_data[ZPM_WIDTH * ZPM_HEIGHT * ZPM_BYTES_PER_PIXEL + 1] = {};
+
+void View3DInventorViewer::setAxisLetterColor(const SbColor& color)
+{
+    unsigned packed = color.getPackedValue();
+
+    auto recolor =
+        [&](const unsigned char* mask,
+            unsigned char* data,
+            unsigned width,
+            unsigned height,
+            unsigned bitdepth) {
+            for (unsigned y = 0; y < height; y++) {
+                for (unsigned x = 0; x < width; x++) {
+                    unsigned offset = (y * width + x) * bitdepth;
+                    
+                    const unsigned char* src = &mask[offset];
+                    unsigned char* dst = &data[offset];
+
+                    dst[0] = (packed >> 24) & 0xFF;  // RR - from color
+                    dst[1] = (packed >> 16) & 0xFF;  // GG - from color
+                    dst[2] = (packed >> 8) & 0xFF;   // BB - from color
+                    dst[3] = src[3];                 // AA - from mask
+                }
+            }
+        };
+
+    recolor(XPM_PIXEL_MASK, XPM_pixel_data, XPM_WIDTH, XPM_HEIGHT, XPM_BYTES_PER_PIXEL);
+    recolor(YPM_PIXEL_MASK, YPM_pixel_data, YPM_WIDTH, YPM_HEIGHT, YPM_BYTES_PER_PIXEL);
+    recolor(ZPM_PIXEL_MASK, ZPM_pixel_data, ZPM_WIDTH, ZPM_HEIGHT, ZPM_BYTES_PER_PIXEL);
+}
+
 void View3DInventorViewer::drawAxisCross()
 {
     // NOLINTBEGIN
@@ -3584,11 +3617,11 @@ void View3DInventorViewer::drawAxisCross()
     glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
     glPixelZoom((float)axiscrossSize / 30, (float)axiscrossSize / 30); // 30 = 3 (character pixmap ratio) * 10 (default axiscrossSize)
     glRasterPos2d(xpos[0], xpos[1]);
-    glDrawPixels(XPM_WIDTH, XPM_HEIGHT, GL_RGBA, GL_UNSIGNED_BYTE, XPM_PIXEL_DATA);
+    glDrawPixels(XPM_WIDTH, XPM_HEIGHT, GL_RGBA, GL_UNSIGNED_BYTE, XPM_pixel_data);
     glRasterPos2d(ypos[0], ypos[1]);
-    glDrawPixels(YPM_WIDTH, YPM_HEIGHT, GL_RGBA, GL_UNSIGNED_BYTE, YPM_PIXEL_DATA);
+    glDrawPixels(YPM_WIDTH, YPM_HEIGHT, GL_RGBA, GL_UNSIGNED_BYTE, YPM_pixel_data);
     glRasterPos2d(zpos[0], zpos[1]);
-    glDrawPixels(ZPM_WIDTH, ZPM_HEIGHT, GL_RGBA, GL_UNSIGNED_BYTE, ZPM_PIXEL_DATA);
+    glDrawPixels(ZPM_WIDTH, ZPM_HEIGHT, GL_RGBA, GL_UNSIGNED_BYTE, ZPM_pixel_data);
 
     glPixelStorei(GL_UNPACK_ALIGNMENT, unpack);
     glPopMatrix();
diff --git a/src/Gui/View3DInventorViewer.h b/src/Gui/View3DInventorViewer.h
index 58e23fdef0..5efa45de4f 100644
--- a/src/Gui/View3DInventorViewer.h
+++ b/src/Gui/View3DInventorViewer.h
@@ -41,6 +41,8 @@
 
 #include "Namespace.h"
 #include "Selection.h"
+
+#include "CornerCrossLetters.h"
 #include "View3DInventorSelection.h"
 #include "Quarter/SoQTQuarterAdaptor.h"
 
@@ -414,6 +416,7 @@ public:
                                     const SbColor& midColor);
     void setNavigationType(Base::Type);
 
+    void setAxisLetterColor(const SbColor& color);
     void setAxisCross(bool on);
     bool hasAxisCross();
 
@@ -536,7 +539,11 @@ private:
 
     ViewerEventFilter* viewerEventFilter;
 
-    PyObject *_viewerPy;
+    PyObject* _viewerPy;
+
+    static unsigned char XPM_pixel_data[YPM_WIDTH * YPM_HEIGHT * YPM_BYTES_PER_PIXEL + 1];
+    static unsigned char YPM_pixel_data[YPM_WIDTH * YPM_HEIGHT * YPM_BYTES_PER_PIXEL + 1];
+    static unsigned char ZPM_pixel_data[ZPM_WIDTH * ZPM_HEIGHT * ZPM_BYTES_PER_PIXEL + 1];
 
     // friends
     friend class NavigationStyle;
diff --git a/src/Gui/View3DSettings.cpp b/src/Gui/View3DSettings.cpp
index 2d0eb0839c..dc0b0e21c4 100644
--- a/src/Gui/View3DSettings.cpp
+++ b/src/Gui/View3DSettings.cpp
@@ -73,6 +73,7 @@ void View3DSettings::applySettings()
     OnChange(*hGrp,"EyeDistance");
     OnChange(*hGrp,"CornerCoordSystem");
     OnChange(*hGrp,"CornerCoordSystemSize");
+    OnChange(*hGrp,"AxisLetterColor");
     OnChange(*hGrp,"ShowAxisCross");
     OnChange(*hGrp,"UseNavigationAnimations");
     OnChange(*hGrp,"UseSpinningAnimations");
@@ -290,6 +291,15 @@ void View3DSettings::OnChange(ParameterGrp::SubjectType &rCaller,ParameterGrp::M
             _viewer->setFeedbackSize(rGrp.GetInt("CornerCoordSystemSize", 10));
         }
     }
+    else if (strcmp(Reason,"AxisLetterColor") == 0) {
+        unsigned long backlight = rGrp.GetUnsigned("AxisLetterColor", 0x00000000); // default color (black)
+        float transparency;
+        SbColor color;
+        color.setPackedValue((uint32_t)backlight, transparency);
+        for (auto _viewer : _viewers) {
+            _viewer->setAxisLetterColor(color);
+        }
+    }
     else if (strcmp(Reason,"ShowAxisCross") == 0) {
         for (auto _viewer : _viewers) {
             _viewer->setAxisCross(rGrp.GetBool("ShowAxisCross", false));