diff --git a/app/src/main/res/drawable/call.xml b/app/src/main/res/drawable/call.xml
index 69937a37..a1133773 100644
--- a/app/src/main/res/drawable/call.xml
+++ b/app/src/main/res/drawable/call.xml
@@ -1,5 +1,5 @@
-<vector android:height="48dp" android:tint="#01DF01"
-    android:viewportHeight="24.0" android:viewportWidth="24.0"
-    android:width="48dp" xmlns:android="http://schemas.android.com/apk/res/android">
-    <path android:fillColor="#FF000000" android:pathData="M6.62,10.79c1.44,2.83 3.76,5.14 6.59,6.59l2.2,-2.2c0.27,-0.27 0.67,-0.36 1.02,-0.24 1.12,0.37 2.33,0.57 3.57,0.57 0.55,0 1,0.45 1,1V20c0,0.55 -0.45,1 -1,1 -9.39,0 -17,-7.61 -17,-17 0,-0.55 0.45,-1 1,-1h3.5c0.55,0 1,0.45 1,1 0,1.25 0.2,2.45 0.57,3.57 0.11,0.35 0.03,0.74 -0.25,1.02l-2.2,2.2z"/>
+<vector android:height="48dp" android:width="48dp"
+    android:viewportHeight="24" android:viewportWidth="24"
+    xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="@color/colorTrafficGreen" android:pathData="M6.62,10.79c1.44,2.83 3.76,5.14 6.59,6.59l2.2,-2.2c0.27,-0.27 0.67,-0.36 1.02,-0.24 1.12,0.37 2.33,0.57 3.57,0.57 0.55,0 1,0.45 1,1V20c0,0.55 -0.45,1 -1,1 -9.39,0 -17,-7.61 -17,-17 0,-0.55 0.45,-1 1,-1h3.5c0.55,0 1,0.45 1,1 0,1.25 0.2,2.45 0.57,3.57 0.11,0.35 0.03,0.74 -0.25,1.02l-2.2,2.2z"/>
 </vector>
diff --git a/app/src/main/res/drawable/hangup.xml b/app/src/main/res/drawable/hangup.xml
index 99e44bfa..6605ad35 100644
--- a/app/src/main/res/drawable/hangup.xml
+++ b/app/src/main/res/drawable/hangup.xml
@@ -1,5 +1,5 @@
-<vector android:height="48dp" android:tint="#DF0101"
-    android:viewportHeight="24.0" android:viewportWidth="24.0"
-    android:width="48dp" xmlns:android="http://schemas.android.com/apk/res/android">
-    <path android:fillColor="#FF000000" android:pathData="M12,9c-1.6,0 -3.15,0.25 -4.6,0.72v3.1c0,0.39 -0.23,0.74 -0.56,0.9 -0.98,0.49 -1.87,1.12 -2.66,1.85 -0.18,0.18 -0.43,0.28 -0.7,0.28 -0.28,0 -0.53,-0.11 -0.71,-0.29L0.29,13.08c-0.18,-0.17 -0.29,-0.42 -0.29,-0.7 0,-0.28 0.11,-0.53 0.29,-0.71C3.34,8.78 7.46,7 12,7s8.66,1.78 11.71,4.67c0.18,0.18 0.29,0.43 0.29,0.71 0,0.28 -0.11,0.53 -0.29,0.71l-2.48,2.48c-0.18,0.18 -0.43,0.29 -0.71,0.29 -0.27,0 -0.52,-0.11 -0.7,-0.28 -0.79,-0.74 -1.69,-1.36 -2.67,-1.85 -0.33,-0.16 -0.56,-0.5 -0.56,-0.9v-3.1C15.15,9.25 13.6,9 12,9z"/>
+<vector android:height="48dp" android:width="48dp"
+    android:viewportHeight="24" android:viewportWidth="24"
+    xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="@color/colorTrafficRed" android:pathData="M12,9c-1.6,0 -3.15,0.25 -4.6,0.72v3.1c0,0.39 -0.23,0.74 -0.56,0.9 -0.98,0.49 -1.87,1.12 -2.66,1.85 -0.18,0.18 -0.43,0.28 -0.7,0.28 -0.28,0 -0.53,-0.11 -0.71,-0.29L0.29,13.08c-0.18,-0.17 -0.29,-0.42 -0.29,-0.7 0,-0.28 0.11,-0.53 0.29,-0.71C3.34,8.78 7.46,7 12,7s8.66,1.78 11.71,4.67c0.18,0.18 0.29,0.43 0.29,0.71 0,0.28 -0.11,0.53 -0.29,0.71l-2.48,2.48c-0.18,0.18 -0.43,0.29 -0.71,0.29 -0.27,0 -0.52,-0.11 -0.7,-0.28 -0.79,-0.74 -1.69,-1.36 -2.67,-1.85 -0.33,-0.16 -0.56,-0.5 -0.56,-0.9v-3.1C15.15,9.25 13.6,9 12,9z"/>
 </vector>
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index 72c18c27..e83eff2a 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -158,7 +158,7 @@
                         android:layout_height="wrap_content"
                         android:padding="0dp"
                         android:background="@null"
-                        android:src="@drawable/call_green"
+                        android:src="@drawable/call"
                         android:contentDescription="@string/call" >
                     </ImageButton>
 
@@ -182,7 +182,7 @@
                         android:layout_alignParentEnd="true"
                         android:layout_marginEnd="10dp"
                         android:background="@null"
-                        android:src="@drawable/call_green"
+                        android:src="@drawable/call"
                         android:clickable="false"
                         android:visibility="invisible"
                         android:contentDescription="@string/answer" >