diff --git a/JPEGView/Config/KeyMap.txt b/JPEGView/Config/KeyMap.txt
index 66a58a7e..84dc896c 100644
--- a/JPEGView/Config/KeyMap.txt
+++ b/JPEGView/Config/KeyMap.txt
@@ -1,5 +1,5 @@
 // This file defines the key mapping for JPEGView
-// Make sure not to corrupt it - else no keys are working anymore!
+// Make sure not to corrupt it or else no keys will work anymore!
 // It is possible to map multiple keys to the same command but not multiple commands to the same key
 
 // This section contains the definitions of the available JPEGView commands - do not modify!
@@ -110,6 +110,8 @@
 #define IDM_PAN_LEFT		15203			// pan left
 #define IDM_SHARPEN_INC		15300			// increase sharpness
 #define IDM_SHARPEN_DEC		15301			// decrease sharpness
+#define IDM_SATURATION_INC		15400			// increase saturation
+#define IDM_SATURATION_DEC		15401			// decrease saturation
 #define IDM_CONTEXT_MENU	16000			// display context menu
 
 // This section contains the key map. A small number of keys is predefined and cannot be changed:
@@ -142,13 +144,15 @@ Ctrl+Shift+Plus         IDM_CONTRAST_CORRECTION_INC
 Ctrl+Alt+Plus           IDM_COLOR_CORRECTION_INC
 Ctrl+Plus               IDM_CONTRAST_INC
 Shift+Plus              IDM_GAMMA_INC
-Alt+Plus                IDM_SHARPEN_INC
+Alt+Plus				IDM_SATURATION_INC
+Ctrl+Alt+Shift+Plus     IDM_SHARPEN_INC
 Minus                   IDM_ZOOM_DEC
 Ctrl+Shift+Minus        IDM_CONTRAST_CORRECTION_DEC
 Ctrl+Alt+Minus          IDM_COLOR_CORRECTION_DEC
 Ctrl+Minus              IDM_CONTRAST_DEC
 Shift+Minus             IDM_GAMMA_DEC
-Alt+Minus               IDM_SHARPEN_DEC
+Alt+Minus				IDM_SATURATION_DEC
+Ctrl+Alt+Shift+Minus    IDM_SHARPEN_DEC
 F2                      IDM_SHOW_FILEINFO
 Ctrl+F2                 IDM_SHOW_FILENAME
 F3                      IDM_TOGGLE_RESAMPLING_QUALITY
diff --git a/JPEGView/Config/KeyMap_ru.txt b/JPEGView/Config/KeyMap_ru.txt
index 35b7f244..7ca4c20d 100644
--- a/JPEGView/Config/KeyMap_ru.txt
+++ b/JPEGView/Config/KeyMap_ru.txt
@@ -117,6 +117,8 @@
 #define IDM_PAN_LEFT		15203			// переместить картинку влево
 #define IDM_SHARPEN_INC		15300			// усилить резкость
 #define IDM_SHARPEN_DEC		15301			// ослабить резкость
+#define IDM_SATURATION_INC		15400			// усилить насыщенность
+#define IDM_SATURATION_DEC		15401			// ослабить насыщенность
 #define IDM_CONTEXT_MENU	16000			// показать контекстное меню
 
 // Раздел ниже содержит назначения клавиш.
@@ -152,14 +154,16 @@ Plus			IDM_ZOOM_INC
 Ctrl+Shift+Plus		IDM_CONTRAST_CORRECTION_INC
 Ctrl+Alt+Plus		IDM_COLOR_CORRECTION_INC
 Ctrl+Plus		IDM_CONTRAST_INC
-Shift+Plus		IDM_GAMMA_INC
-Alt+Plus		IDM_SHARPEN_INC
-Minus			IDM_ZOOM_DEC
-Ctrl+Shift+Minus	IDM_CONTRAST_CORRECTION_DEC
-Ctrl+Alt+Minus		IDM_COLOR_CORRECTION_DEC
-Ctrl+Minus		IDM_CONTRAST_DEC
-Shift+Minus		IDM_GAMMA_DEC
-Alt+Minus		IDM_SHARPEN_DEC
+Shift+Plus              IDM_GAMMA_INC
+Alt+Plus				IDM_SATURATION_INC
+Ctrl+Alt+Plus          	IDM_SHARPEN_INC
+Minus                   IDM_ZOOM_DEC
+Ctrl+Shift+Minus        IDM_CONTRAST_CORRECTION_DEC
+Ctrl+Alt+Minus          IDM_COLOR_CORRECTION_DEC
+Ctrl+Minus              IDM_CONTRAST_DEC
+Shift+Minus             IDM_GAMMA_DEC
+Alt+Minus				IDM_SATURATION_DEC
+Ctrl+Alt+Minus          IDM_SHARPEN_DEC
 F2			IDM_SHOW_FILEINFO
 Ctrl+F2			IDM_SHOW_FILENAME
 F3			IDM_TOGGLE_RESAMPLING_QUALITY
diff --git a/JPEGView/MainDlg.cpp b/JPEGView/MainDlg.cpp
index 1e3fe643..7f4a5c36 100644
--- a/JPEGView/MainDlg.cpp
+++ b/JPEGView/MainDlg.cpp
@@ -61,7 +61,8 @@ static const int MIN_WND_WIDTH = 320;
 static const int MIN_WND_HEIGHT = 240;
 
 static const double GAMMA_FACTOR = 1.02; // multiplicator for gamma value
-static const double CONTRAST_INC = 0.03; // increment for contrast value
+static const double CONTRAST_INC = 0.02; // increment for contrast value
+static const double SATURATION_INC = 0.02; // increment for saturation value
 static const double SHARPEN_INC = 0.05; // increment for sharpen value
 static const double LDC_INC = 0.1; // increment for LDC (lighten shadows and darken highlights)
 static const int NUM_THREADS = 1; // number of readahead threads to use
@@ -1928,6 +1929,10 @@ void CMainDlg::ExecuteCommand(int nCommand) {
 		case IDM_GAMMA_DEC:
 			AdjustGamma((nCommand == IDM_GAMMA_INC)? 1.0/GAMMA_FACTOR : GAMMA_FACTOR);
 			break;
+		case IDM_SATURATION_INC:
+		case IDM_SATURATION_DEC:
+			AdjustSaturation((nCommand == IDM_SATURATION_INC)? SATURATION_INC : -SATURATION_INC);
+			break;
 		case IDM_LDC_SHADOWS_INC:	
 		case IDM_LDC_SHADOWS_DEC:
 		case IDM_LDC_HIGHLIGHTS_INC:
@@ -2413,6 +2418,12 @@ void CMainDlg::AdjustGamma(double dFactor) {
 	this->Invalidate(FALSE);
 }
 
+void CMainDlg::AdjustSaturation(double dInc) {
+	m_pImageProcParams->Saturation += dInc;
+	m_pImageProcParams->Saturation = min(2.0, max(0.0, m_pImageProcParams->Saturation));
+	this->Invalidate(FALSE);
+}
+
 void CMainDlg::AdjustContrast(double dInc) {
 	m_pImageProcParams->Contrast += dInc;
 	m_pImageProcParams->Contrast = min(0.5, max(-0.5, m_pImageProcParams->Contrast));
diff --git a/JPEGView/MainDlg.h b/JPEGView/MainDlg.h
index d262b2ae..261206dd 100644
--- a/JPEGView/MainDlg.h
+++ b/JPEGView/MainDlg.h
@@ -334,6 +334,7 @@ class CMainDlg : public CDialogImpl<CMainDlg>
 	void AdjustLDC(int nMode, double dInc);
 	void AdjustGamma(double dFactor);
 	void AdjustContrast(double dInc);
+	void AdjustSaturation(double dInc);
 	void AdjustSharpen(double dInc);
 	void PerformZoom(double dValue, bool bExponent, bool bZoomToMouse, bool bAdjustWindowToImage);
 	void ZoomToSelection();
diff --git a/JPEGView/resource.h b/JPEGView/resource.h
index 1b853041..fe6ffb85 100644
--- a/JPEGView/resource.h
+++ b/JPEGView/resource.h
@@ -279,6 +279,8 @@
 #define IDM_PAN_LEFT	15203
 #define IDM_SHARPEN_INC		15300
 #define IDM_SHARPEN_DEC		15301
+#define IDM_SATURATION_INC		15400
+#define IDM_SATURATION_DEC		15401
 #define IDM_CONTEXT_MENU	16000
 
 #define IDM_CROP_SEL		20000