diff --git a/plugins/com.minres.scviewer.database.ui.swt/src/com/minres/scviewer/database/ui/WaveformColors.java b/plugins/com.minres.scviewer.database.ui.swt/src/com/minres/scviewer/database/ui/WaveformColors.java
index 177f10c..090d28a 100644
--- a/plugins/com.minres.scviewer.database.ui.swt/src/com/minres/scviewer/database/ui/WaveformColors.java
+++ b/plugins/com.minres.scviewer.database.ui.swt/src/com/minres/scviewer/database/ui/WaveformColors.java
@@ -14,7 +14,7 @@ public enum WaveformColors {
     LINE, LINE_HIGHLITE, 
     TRACK_BG_EVEN, TRACK_BG_ODD, TRACK_BG_HIGHLITE, 
     TX_BG, TX_BG_HIGHLITE, TX_BORDER,
-    SIGNAL0, SIGNAL1, SIGNALZ, SIGNALX, SIGNALU, SIGNAL_TEXT, SIGNAL_REAL, SIGNAL_NAN,
+    SIGNAL0, SIGNAL1, SIGNALZ, SIGNALX, SIGNAL_CHANGE, SIGNALU, SIGNAL_TEXT, SIGNAL_REAL, SIGNAL_NAN,
     CURSOR, CURSOR_DRAG, CURSOR_TEXT,
     MARKER, MARKER_TEXT, REL_ARROW, REL_ARROW_HIGHLITE, BLANK
 }
\ No newline at end of file
diff --git a/plugins/com.minres.scviewer.database.ui.swt/src/com/minres/scviewer/database/ui/swt/DefaultWaveformStyleProvider.java b/plugins/com.minres.scviewer.database.ui.swt/src/com/minres/scviewer/database/ui/swt/DefaultWaveformStyleProvider.java
index 9eef6cf..8bd7cfb 100644
--- a/plugins/com.minres.scviewer.database.ui.swt/src/com/minres/scviewer/database/ui/swt/DefaultWaveformStyleProvider.java
+++ b/plugins/com.minres.scviewer.database.ui.swt/src/com/minres/scviewer/database/ui/swt/DefaultWaveformStyleProvider.java
@@ -39,6 +39,7 @@ public class DefaultWaveformStyleProvider implements IWaveformStyleProvider {
         colors[WaveformColors.SIGNALZ.ordinal()] = SWTResourceManager.getColor(SWT.COLOR_DARK_YELLOW);
         colors[WaveformColors.SIGNALX.ordinal()] = SWTResourceManager.getColor(255,  51,  51);
         colors[WaveformColors.SIGNALU.ordinal()] = SWTResourceManager.getColor(SWT.COLOR_YELLOW);
+        colors[WaveformColors.SIGNAL_CHANGE.ordinal()] = SWTResourceManager.getColor(SWT.COLOR_GREEN);
         colors[WaveformColors.SIGNAL_TEXT.ordinal()] = SWTResourceManager.getColor(SWT.COLOR_WHITE);
         colors[WaveformColors.SIGNAL_REAL.ordinal()] = SWTResourceManager.getColor(SWT.COLOR_YELLOW);
         colors[WaveformColors.SIGNAL_NAN.ordinal()] = SWTResourceManager.getColor(SWT.COLOR_RED);
diff --git a/plugins/com.minres.scviewer.database.ui.swt/src/com/minres/scviewer/database/ui/swt/internal/SignalPainter.java b/plugins/com.minres.scviewer.database.ui.swt/src/com/minres/scviewer/database/ui/swt/internal/SignalPainter.java
index 3078fdc..4057305 100644
--- a/plugins/com.minres.scviewer.database.ui.swt/src/com/minres/scviewer/database/ui/swt/internal/SignalPainter.java
+++ b/plugins/com.minres.scviewer.database.ui.swt/src/com/minres/scviewer/database/ui/swt/internal/SignalPainter.java
@@ -191,7 +191,7 @@ public class SignalPainter extends TrackPainter {
 		}
 
 		public void draw(Projection proj, Rectangle area, IEvent left, IEvent right, int xBegin, int xEnd, boolean multiple) {
-			Color colorBorder = waveCanvas.styleProvider.getColor(WaveformColors.SIGNAL0);
+			Color colorBorder = waveCanvas.styleProvider.getColor(WaveformColors.SIGNAL_CHANGE);
 			BitVector last = (BitVector) left;
 			if (Arrays.toString(last.getValue()).contains("X")) {
 				colorBorder = waveCanvas.styleProvider.getColor(WaveformColors.SIGNALX);
@@ -340,8 +340,11 @@ public class SignalPainter extends TrackPainter {
 						break;
 					default:
 					}
-					if (yOffset != yNext)
+					if (yOffset != yNext) {
+						Color transition_color = waveCanvas.styleProvider.getColor(WaveformColors.SIGNAL_CHANGE);
+						proj.setForeground(transition_color);
 						proj.drawLine(xEnd, yOffset, xEnd, yNext);
+					}
 				}
 			}
 		}
diff --git a/plugins/com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/Messages.java b/plugins/com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/Messages.java
index 0deead7..9712d99 100644
--- a/plugins/com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/Messages.java
+++ b/plugins/com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/Messages.java
@@ -78,6 +78,7 @@ public class Messages extends NLS {
 	public static String signalz;
 	public static String signalx;
 	public static String signalu;
+	public static String signal_change;
 	public static String signal_text;
 	public static String signal_real;
 	public static String signal_nan;
diff --git a/plugins/com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/messages.properties b/plugins/com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/messages.properties
index d040925..37aed50 100644
--- a/plugins/com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/messages.properties
+++ b/plugins/com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/messages.properties
@@ -72,6 +72,7 @@ signal1=Signal Value '1'
 signalz=Signal Value 'Z'
 signalx=Signal Value 'X'
 signalu=Signal Value 'U'
+signal_change=Signal change
 signal_text=Signal text
 signal_real=Signal real Value
 signal_nan=Signal NaN Value