diff --git a/apps/calculation/history_view_cell.cpp b/apps/calculation/history_view_cell.cpp
index ea60010df..c11777586 100644
--- a/apps/calculation/history_view_cell.cpp
+++ b/apps/calculation/history_view_cell.cpp
@@ -15,7 +15,7 @@ HistoryViewCell::HistoryViewCell() :
 }
 
 KDColor HistoryViewCell::backgroundColor() const {
-  KDColor background = m_even ? EvenOddCell::k_evenLineBackgroundColor : EvenOddCell::k_oddLineBackgroundColor;
+  KDColor background = m_even ? Palette::WallScreen : KDColorWhite;
   return background;
 }
 
diff --git a/apps/curve_view.cpp b/apps/curve_view.cpp
index 9c4245a92..9ac2d53ec 100644
--- a/apps/curve_view.cpp
+++ b/apps/curve_view.cpp
@@ -5,9 +5,6 @@
 #include <float.h>
 #include <string.h>
 
-constexpr KDColor CurveView::k_axisColor;
-constexpr KDColor CurveView::k_gridColor;
-
 CurveView::CurveView(CurveViewRange * curveViewRange, CurveViewCursor * curveViewCursor, BannerView * bannerView,
     View * cursorView) :
   View(),
@@ -184,12 +181,12 @@ void CurveView::drawGridLines(KDContext * ctx, KDRect rect, Axis axis, float ste
 }
 
 void CurveView::drawGrid(KDContext * ctx, KDRect rect) const {
-  drawGridLines(ctx, rect, Axis::Horizontal, m_curveViewRange->xGridUnit(), k_gridColor);
-  drawGridLines(ctx, rect, Axis::Vertical, m_curveViewRange->yGridUnit(), k_gridColor);
+  drawGridLines(ctx, rect, Axis::Horizontal, m_curveViewRange->xGridUnit(), Palette::GreyWhite);
+  drawGridLines(ctx, rect, Axis::Vertical, m_curveViewRange->yGridUnit(), Palette::GreyWhite);
 }
 
 void CurveView::drawAxes(KDContext * ctx, KDRect rect, Axis axis) const {
-  drawLine(ctx, rect, axis, 0.0f, k_axisColor, 2);
+  drawLine(ctx, rect, axis, 0.0f, KDColorBlack, 2);
 }
 
 #define LINE_THICKNESS 3
diff --git a/apps/curve_view.h b/apps/curve_view.h
index c6f499585..7d5d36f96 100644
--- a/apps/curve_view.h
+++ b/apps/curve_view.h
@@ -25,8 +25,6 @@ public:
 protected:
   void setCurveViewRange(CurveViewRange * curveViewRange);
   // Drawing methods
-  constexpr static KDColor k_axisColor = KDColor::RGB24(0x000000);
-  constexpr static KDColor k_gridColor = KDColor::RGB24(0xEEEEEE);
   constexpr static KDCoordinate k_labelMargin =  4;
   constexpr static int k_maxNumberOfXLabels = CurveViewRange::k_maxNumberOfXGridUnits;
   constexpr static int k_maxNumberOfYLabels =  CurveViewRange::k_maxNumberOfYGridUnits;
diff --git a/apps/graph/list/function_expression_view.cpp b/apps/graph/list/function_expression_view.cpp
index 3dca2d18c..6343c6265 100644
--- a/apps/graph/list/function_expression_view.cpp
+++ b/apps/graph/list/function_expression_view.cpp
@@ -3,8 +3,6 @@
 
 namespace Graph {
 
-constexpr KDColor FunctionExpressionView::k_separatorColor;
-
 FunctionExpressionView::FunctionExpressionView() :
   EvenOddCell(),
   m_function(nullptr),
@@ -48,7 +46,7 @@ void FunctionExpressionView::layoutSubviews() {
 void FunctionExpressionView::drawRect(KDContext * ctx, KDRect rect) const {
   EvenOddCell::drawRect(ctx, rect);
   // Color the separator
-  ctx->fillRect(KDRect(0, 0, k_separatorThickness, bounds().height()), k_separatorColor);
+  ctx->fillRect(KDRect(0, 0, k_separatorThickness, bounds().height()), Palette::GreyBright);
 }
 
 }
diff --git a/apps/graph/list/function_expression_view.h b/apps/graph/list/function_expression_view.h
index 229d8d404..449515d99 100644
--- a/apps/graph/list/function_expression_view.h
+++ b/apps/graph/list/function_expression_view.h
@@ -20,7 +20,6 @@ public:
   void drawRect(KDContext * ctx, KDRect rect) const override;
 private:
   static constexpr KDCoordinate k_emptyRowHeight = 50;
-  constexpr static KDColor k_separatorColor = KDColor::RGB24(0xEFF2F4);
   constexpr static KDCoordinate k_separatorThickness = 1;
   Function * m_function;
   ExpressionView m_expressionView;
diff --git a/apps/zoom_parameter_controller.cpp b/apps/zoom_parameter_controller.cpp
index b595203d2..481a6158d 100644
--- a/apps/zoom_parameter_controller.cpp
+++ b/apps/zoom_parameter_controller.cpp
@@ -2,10 +2,6 @@
 #include <assert.h>
 #include <math.h>
 
-constexpr KDColor ZoomParameterController::ContentView::LegendView::k_legendBackgroundColor;
-
-/* Zoom Parameter Controller */
-
 ZoomParameterController::ZoomParameterController(Responder * parentResponder, InteractiveCurveViewRange * interactiveRange, CurveView * curveView) :
   ViewController(parentResponder),
   m_contentView(ContentView(curveView)),
@@ -91,17 +87,17 @@ CurveView * ZoomParameterController::ContentView::curveView() {
 /* Legend View */
 
 ZoomParameterController::ContentView::LegendView::LegendView() :
-  m_legends{PointerTextView(KDText::FontSize::Small, "ZOOM+", 0.0f, 0.5f, KDColorBlack, k_legendBackgroundColor),
-    PointerTextView(KDText::FontSize::Small, "HAUT", 0.0f, 0.5f, KDColorBlack, k_legendBackgroundColor),
-    PointerTextView(KDText::FontSize::Small, "GAUCHE", 0.0f, 0.5f, KDColorBlack, k_legendBackgroundColor),
-    PointerTextView(KDText::FontSize::Small, "ZOOM-", 1.0f, 0.5f, KDColorBlack, k_legendBackgroundColor),
-    PointerTextView(KDText::FontSize::Small, "BAS", 1.0f, 0.5f, KDColorBlack, k_legendBackgroundColor),
-    PointerTextView(KDText::FontSize::Small, "DROITE", 1.0f, 0.5f, KDColorBlack, k_legendBackgroundColor)}
+  m_legends{PointerTextView(KDText::FontSize::Small, "ZOOM+", 0.0f, 0.5f, KDColorBlack, Palette::GreyBright),
+    PointerTextView(KDText::FontSize::Small, "HAUT", 0.0f, 0.5f, KDColorBlack, Palette::GreyBright),
+    PointerTextView(KDText::FontSize::Small, "GAUCHE", 0.0f, 0.5f, KDColorBlack, Palette::GreyBright),
+    PointerTextView(KDText::FontSize::Small, "ZOOM-", 1.0f, 0.5f, KDColorBlack, Palette::GreyBright),
+    PointerTextView(KDText::FontSize::Small, "BAS", 1.0f, 0.5f, KDColorBlack, Palette::GreyBright),
+    PointerTextView(KDText::FontSize::Small, "DROITE", 1.0f, 0.5f, KDColorBlack, Palette::GreyBright)}
 {
 }
 
 void ZoomParameterController::ContentView::LegendView::drawRect(KDContext * ctx, KDRect rect) const {
-  ctx->fillRect(KDRect(0, bounds().height() - k_legendHeight, bounds().width(), k_legendHeight), k_legendBackgroundColor);
+  ctx->fillRect(KDRect(0, bounds().height() - k_legendHeight, bounds().width(), k_legendHeight), Palette::GreyBright);
 }
 
 int ZoomParameterController::ContentView::LegendView::numberOfSubviews() const {
diff --git a/apps/zoom_parameter_controller.h b/apps/zoom_parameter_controller.h
index 5b157e6e7..551e42258 100644
--- a/apps/zoom_parameter_controller.h
+++ b/apps/zoom_parameter_controller.h
@@ -24,7 +24,6 @@ private:
       LegendView();
       void drawRect(KDContext * ctx, KDRect rect) const override;
     private:
-      constexpr static KDColor k_legendBackgroundColor = KDColor::RGB24(0xECECEC);
       constexpr static int k_numberOfLegends = 6;
       constexpr static KDCoordinate k_tokenWidth = 30;
       void layoutSubviews() override;
diff --git a/escher/include/escher/even_odd_cell.h b/escher/include/escher/even_odd_cell.h
index 5de9a8bbb..b49413631 100644
--- a/escher/include/escher/even_odd_cell.h
+++ b/escher/include/escher/even_odd_cell.h
@@ -9,11 +9,6 @@ public:
   virtual void setEven(bool even);
   virtual KDColor backgroundColor() const;
   void drawRect(KDContext * ctx, KDRect rect) const override;
-
-  static constexpr KDColor k_evenLineBackgroundColor = KDColor::RGB24(0xF7F9FA);
-  static constexpr KDColor k_oddLineBackgroundColor = KDColorWhite;
-  static constexpr KDColor k_selectedLineBackgroundColor = KDColor::RGB24(0xC0D3EA);
-
 protected:
   bool m_even;
 };
diff --git a/escher/include/escher/tab_view_cell.h b/escher/include/escher/tab_view_cell.h
index c64659b16..67e7d2760 100644
--- a/escher/include/escher/tab_view_cell.h
+++ b/escher/include/escher/tab_view_cell.h
@@ -18,9 +18,6 @@ protected:
   void logAttributes(std::ostream &os) const override;
 #endif
 private:
-  constexpr static KDColor k_defaultTabColor = KDColor::RGB24(0x426DA7);
-  constexpr static KDColor k_selectedTabColor = KDColor::RGB24(0xC0D3EB);
-  constexpr static KDColor k_separatorTabColor = KDColor::RGB24(0x567AA7);
   bool m_active;
   bool m_selected;
   const char * m_name;
diff --git a/escher/src/even_odd_cell.cpp b/escher/src/even_odd_cell.cpp
index 166876cba..3f04a3c4b 100644
--- a/escher/src/even_odd_cell.cpp
+++ b/escher/src/even_odd_cell.cpp
@@ -1,8 +1,5 @@
 #include <escher/even_odd_cell.h>
-
-constexpr KDColor EvenOddCell::k_evenLineBackgroundColor;
-constexpr KDColor EvenOddCell::k_oddLineBackgroundColor;
-constexpr KDColor EvenOddCell::k_selectedLineBackgroundColor;
+#include <escher/palette.h>
 
 EvenOddCell::EvenOddCell() :
   TableViewCell(),
@@ -17,8 +14,8 @@ void EvenOddCell::setEven(bool even) {
 
 KDColor EvenOddCell::backgroundColor() const {
    // Select the background color according to the even line and the cursor selection
-  KDColor background = m_even ? EvenOddCell::k_evenLineBackgroundColor : EvenOddCell::k_oddLineBackgroundColor;
-  background = isHighlighted() ? EvenOddCell::k_selectedLineBackgroundColor : background;
+  KDColor background = m_even ? Palette::WallScreen : KDColorWhite;
+  background = isHighlighted() ? Palette::Select : background;
   return background;
 }
 
diff --git a/escher/src/header_view_controller.cpp b/escher/src/header_view_controller.cpp
index bb78530f2..02b6f2c39 100644
--- a/escher/src/header_view_controller.cpp
+++ b/escher/src/header_view_controller.cpp
@@ -1,9 +1,7 @@
 #include <escher/header_view_controller.h>
+#include <escher/palette.h>
 #include <assert.h>
 
-constexpr KDColor HeaderViewController::ContentView::k_separatorHeaderColor;
-constexpr KDColor HeaderViewController::ContentView::k_selectedBackgroundColor;
-
 HeaderViewController::ContentView::ContentView(ViewController * mainViewController, HeaderViewDelegate * delegate) :
   View(),
   m_mainViewController(mainViewController),
@@ -53,9 +51,9 @@ void HeaderViewController::ContentView::layoutSubviews() {
 void HeaderViewController::ContentView::drawRect(KDContext * ctx, KDRect rect) const {
   if (numberOfButtons() > 0) {
     ctx->fillRect(KDRect(0, 0, bounds().width(), k_headerHeight), KDColorWhite);
-    ctx->fillRect(KDRect(0, k_headerHeight, bounds().width(), 1), k_separatorHeaderColor);
+    ctx->fillRect(KDRect(0, k_headerHeight, bounds().width(), 1), Palette::GreyWhite);
   } else {
-    ctx->fillRect(KDRect(0, 0, bounds().width(), 1), k_separatorHeaderColor);
+    ctx->fillRect(KDRect(0, 0, bounds().width(), 1), Palette::GreyWhite);
   }
 }
 
@@ -70,7 +68,7 @@ bool HeaderViewController::ContentView::setSelectedButton(int selectedButton, Ap
   m_selectedButton = selectedButton;
   if (m_selectedButton >= 0) {
     Button * button = buttonAtIndex(selectedButton);
-    button->setBackgroundColor(k_selectedBackgroundColor);
+    button->setBackgroundColor(Palette::Select);
     application->setFirstResponder(button);
     return true;
   }
diff --git a/escher/src/tab_view_cell.cpp b/escher/src/tab_view_cell.cpp
index 0a2d20cbb..7821d4c26 100644
--- a/escher/src/tab_view_cell.cpp
+++ b/escher/src/tab_view_cell.cpp
@@ -1,12 +1,9 @@
 #include <escher/tab_view_cell.h>
+#include <escher/palette.h>
 extern "C" {
 #include <assert.h>
 }
 
-constexpr KDColor TabViewCell::k_defaultTabColor;
-constexpr KDColor TabViewCell::k_selectedTabColor;
-constexpr KDColor TabViewCell::k_separatorTabColor;
-
 TabViewCell::TabViewCell() :
   View(),
   m_active(false),
@@ -38,15 +35,15 @@ void TabViewCell::drawRect(KDContext * ctx, KDRect rect) const {
   KDCoordinate height = bounds().height();
   KDCoordinate width = bounds().width();
   // choose the background color
-  KDColor text = m_active ? k_defaultTabColor : KDColorWhite;
-  KDColor background = m_active ? KDColorWhite : k_defaultTabColor;
-  background = m_selected ? k_selectedTabColor : background;
+  KDColor text = m_active ? Palette::PurpleBright : KDColorWhite;
+  KDColor background = m_active ? KDColorWhite : Palette::PurpleBright;
+  background = m_selected ? Palette::Select : background;
   // Color the background according to the state of the tab cell
   if (m_active || m_selected) {
-    ctx->fillRect(KDRect(0, 0, width, height), background);
-  } else {
-    ctx->fillRect(KDRect(0, 0, width, 1), k_separatorTabColor);
+    ctx->fillRect(KDRect(0, 0, width, 1), Palette::PurpleBright);
     ctx->fillRect(KDRect(0, 1, width, height-1), background);
+  } else {
+    ctx->fillRect(KDRect(0, 0, width, height), background);
   }
   // Write title
   KDSize textSize = KDText::stringSize(m_name, KDText::FontSize::Small);