diff --git a/res/values/colors.xml b/res/values/colors.xml
index 2613c677..a81127cf 100644
--- a/res/values/colors.xml
+++ b/res/values/colors.xml
@@ -7,6 +7,8 @@
 <resources>
 	<color name="magic_flame">#00ffffff</color>
 	<color name="button_text_color">#ffffffff</color>
+	<color name="button_operator_text_color">#ffffff99</color>
+	<color name="button_ce_text_color">#ffffffff</color>
 	<color name="default_text_color">#ffffffff</color>
 	<color name="default_background">#ff000000</color>
 </resources>
\ No newline at end of file
diff --git a/src/main/java/org/solovyev/android/view/widgets/ColorButton.java b/src/main/java/org/solovyev/android/view/widgets/ColorButton.java
index 07902a1d..b9042726 100644
--- a/src/main/java/org/solovyev/android/view/widgets/ColorButton.java
+++ b/src/main/java/org/solovyev/android/view/widgets/ColorButton.java
@@ -35,9 +35,12 @@ import android.widget.Button;
 import org.jetbrains.annotations.NotNull;
 import org.solovyev.android.calculator.R;
 import org.solovyev.android.view.FontSizeAdjuster;
+import org.solovyev.common.utils.CollectionsUtils;
 import org.solovyev.common.utils.Point2d;
 import org.solovyev.common.utils.StringUtils;
 
+import java.util.Arrays;
+
 /**
  * NOTE: copied from com.android.calculator2.ColorButton
  */
@@ -79,13 +82,20 @@ public class ColorButton extends Button {
 	}
 
 	protected void init(Context context) {
-		Resources res = getResources();
+		final Resources resources = getResources();
 
-		CLICK_FEEDBACK_COLOR = res.getColor(org.solovyev.android.calculator.R.color.magic_flame);
+		CLICK_FEEDBACK_COLOR = resources.getColor(org.solovyev.android.calculator.R.color.magic_flame);
 		feedbackPaint = new Paint();
 		feedbackPaint.setStyle(Style.STROKE);
 		feedbackPaint.setStrokeWidth(2);
-		getPaint().setColor(res.getColor(R.color.button_text_color));
+
+		if (CollectionsUtils.contains(getText().toString(), Arrays.asList("+", "-", "/", "×"))) {
+			getPaint().setColor(resources.getColor(R.color.button_operator_text_color));
+		} else if (getText().toString().equals("CE"))  {
+			getPaint().setColor(resources.getColor(R.color.button_ce_text_color));
+		} else {
+			getPaint().setColor(resources.getColor(R.color.button_text_color));
+		}
 
 		animationStart = -1;
 
diff --git a/src/main/java/org/solovyev/android/view/widgets/DirectionDragButton.java b/src/main/java/org/solovyev/android/view/widgets/DirectionDragButton.java
index 2608e5ff..7a6a74fd 100644
--- a/src/main/java/org/solovyev/android/view/widgets/DirectionDragButton.java
+++ b/src/main/java/org/solovyev/android/view/widgets/DirectionDragButton.java
@@ -6,6 +6,7 @@
 package org.solovyev.android.view.widgets;
 
 import android.content.Context;
+import android.content.res.Resources;
 import android.content.res.TypedArray;
 import android.graphics.Canvas;
 import android.graphics.Paint;
@@ -165,7 +166,10 @@ public class DirectionDragButton extends DragButton {
 			paint = getPaint();
 		}
 
+		final Resources resources = getResources();
+
 		upDownTextPaint = new TextPaint(paint);
+		upDownTextPaint.setColor(resources.getColor(R.color.button_text_color));
 		upDownTextPaint.setAlpha(150);
 		upDownTextPaint.setTextSize(paint.getTextSize() * getDirectionTextScale());
 	}