diff --git a/InCallUI/res/drawable/btn_add.xml b/InCallUI/res/drawable/btn_add.xml
index 515d65b..7d5e90f 100644
--- a/InCallUI/res/drawable/btn_add.xml
+++ b/InCallUI/res/drawable/btn_add.xml
@@ -18,12 +18,13 @@
 
 <layer-list xmlns:android="http://schemas.android.com/apk/res/android">
 
-    <item android:drawable="@drawable/btn_background" />
+    <item android:id="@+id/backgroundItem"
+          android:drawable="@drawable/btn_background" />
 
     <item>
         <bitmap android:src="@drawable/ic_toolbar_add_call"
             android:gravity="center"
             android:tint="@color/selectable_icon_tint" />
     </item>
-    
+
 </layer-list>
\ No newline at end of file
diff --git a/InCallUI/res/drawable/btn_change_to_video.xml b/InCallUI/res/drawable/btn_change_to_video.xml
index 962539e..a26cee3 100644
--- a/InCallUI/res/drawable/btn_change_to_video.xml
+++ b/InCallUI/res/drawable/btn_change_to_video.xml
@@ -18,7 +18,8 @@
 
 <layer-list xmlns:android="http://schemas.android.com/apk/res/android">
 
-    <item android:drawable="@drawable/btn_background" />
+    <item android:id="@+id/backgroundItem"
+          android:drawable="@drawable/btn_background" />
 
     <item>
         <bitmap android:src="@drawable/ic_toolbar_video"
diff --git a/InCallUI/res/drawable/btn_change_to_voice.xml b/InCallUI/res/drawable/btn_change_to_voice.xml
index fdeae07..86a7f21 100644
--- a/InCallUI/res/drawable/btn_change_to_voice.xml
+++ b/InCallUI/res/drawable/btn_change_to_voice.xml
@@ -18,7 +18,8 @@
 
 <layer-list xmlns:android="http://schemas.android.com/apk/res/android">
 
-    <item android:drawable="@drawable/btn_background" />
+    <item android:id="@+id/backgroundItem"
+          android:drawable="@drawable/btn_background" />
 
     <item>
         <bitmap android:src="@drawable/ic_toolbar_audio_phone"
diff --git a/InCallUI/res/drawable/btn_compound_background.xml b/InCallUI/res/drawable/btn_compound_background.xml
index 93e6c31..36aab0d 100644
--- a/InCallUI/res/drawable/btn_compound_background.xml
+++ b/InCallUI/res/drawable/btn_compound_background.xml
@@ -24,7 +24,7 @@
                   android:drawable="@drawable/btn_selected_focused" />
 
             <item android:state_focused="true"
-                  android:drawable="@drawable/btn_unselected_focused" />cd
+                  android:drawable="@drawable/btn_unselected_focused" />
 
             <item android:state_selected="true"
                 android:drawable="@drawable/btn_selected" />
diff --git a/InCallUI/res/drawable/btn_compound_dialpad.xml b/InCallUI/res/drawable/btn_compound_dialpad.xml
index fcd9a3c..1b78ead 100644
--- a/InCallUI/res/drawable/btn_compound_dialpad.xml
+++ b/InCallUI/res/drawable/btn_compound_dialpad.xml
@@ -18,7 +18,8 @@
 <layer-list xmlns:android="http://schemas.android.com/apk/res/android">
 
     <!-- The standard "compound button" background. -->
-    <item android:drawable="@drawable/btn_compound_background" />
+    <item android:id="@+id/compoundBackgroundItem"
+          android:drawable="@drawable/btn_compound_background" />
 
     <!-- ...and the actual icon on top.  Use an explicit <bitmap> to avoid scaling
          the icon up to the full size of the button. -->
diff --git a/InCallUI/res/drawable/btn_compound_hold.xml b/InCallUI/res/drawable/btn_compound_hold.xml
index dcf9507..7974efa 100644
--- a/InCallUI/res/drawable/btn_compound_hold.xml
+++ b/InCallUI/res/drawable/btn_compound_hold.xml
@@ -18,7 +18,8 @@
 <layer-list xmlns:android="http://schemas.android.com/apk/res/android">
 
     <!-- The standard "compound button" background. -->
-    <item android:drawable="@drawable/btn_compound_background" />
+    <item android:id="@+id/compoundBackgroundItem"
+          android:drawable="@drawable/btn_compound_background" />
 
     <!-- ...and the actual icon on top.  Use an explicit <bitmap> to avoid scaling
          the icon up to the full size of the button. -->
diff --git a/InCallUI/res/drawable/btn_compound_mute.xml b/InCallUI/res/drawable/btn_compound_mute.xml
index 68a8c9b..86708fb 100644
--- a/InCallUI/res/drawable/btn_compound_mute.xml
+++ b/InCallUI/res/drawable/btn_compound_mute.xml
@@ -18,7 +18,8 @@
 <layer-list xmlns:android="http://schemas.android.com/apk/res/android">
 
     <!-- The standard "compound button" background. -->
-    <item android:drawable="@drawable/btn_compound_background" />
+    <item android:id="@+id/compoundBackgroundItem"
+          android:drawable="@drawable/btn_compound_background" />
 
     <!-- Use an explicit <bitmap> to avoid scaling the icon up to the full size of the button. -->
     <item>
diff --git a/InCallUI/res/drawable/btn_compound_video_off.xml b/InCallUI/res/drawable/btn_compound_video_off.xml
index 8af4209..b942cd0 100644
--- a/InCallUI/res/drawable/btn_compound_video_off.xml
+++ b/InCallUI/res/drawable/btn_compound_video_off.xml
@@ -19,7 +19,8 @@
 <layer-list xmlns:android="http://schemas.android.com/apk/res/android">
 
     <!-- The standard "compound button" background. -->
-    <item android:drawable="@drawable/btn_compound_background" />
+    <item android:id="@+id/compoundBackgroundItem"
+          android:drawable="@drawable/btn_compound_background" />
 
     <!-- Use an explicit <bitmap> to avoid scaling the icon up to the full size of the button. -->
     <item>
diff --git a/InCallUI/res/drawable/btn_compound_video_switch.xml b/InCallUI/res/drawable/btn_compound_video_switch.xml
index ef171ab..f811186 100644
--- a/InCallUI/res/drawable/btn_compound_video_switch.xml
+++ b/InCallUI/res/drawable/btn_compound_video_switch.xml
@@ -19,7 +19,8 @@
 <layer-list xmlns:android="http://schemas.android.com/apk/res/android">
 
     <!-- The standard "compound button" background. -->
-    <item android:drawable="@drawable/btn_compound_background" />
+    <item android:id="@+id/compoundBackgroundItem"
+          android:drawable="@drawable/btn_compound_background" />
 
     <!-- Use an explicit <bitmap> to avoid scaling the icon up to the full size of the button. -->
     <item>
diff --git a/InCallUI/res/drawable/btn_merge.xml b/InCallUI/res/drawable/btn_merge.xml
index 78e1974..2b4818a 100644
--- a/InCallUI/res/drawable/btn_merge.xml
+++ b/InCallUI/res/drawable/btn_merge.xml
@@ -18,7 +18,8 @@
 
 <layer-list xmlns:android="http://schemas.android.com/apk/res/android">
 
-    <item android:drawable="@drawable/btn_background" />
+    <item android:id="@+id/backgroundItem"
+          android:drawable="@drawable/btn_background" />
 
     <item>
         <bitmap android:src="@drawable/ic_toolbar_merge"
diff --git a/InCallUI/res/drawable/btn_overflow.xml b/InCallUI/res/drawable/btn_overflow.xml
index e851ece..2eb26cc 100644
--- a/InCallUI/res/drawable/btn_overflow.xml
+++ b/InCallUI/res/drawable/btn_overflow.xml
@@ -18,7 +18,8 @@
 
 <layer-list xmlns:android="http://schemas.android.com/apk/res/android">
 
-    <item android:drawable="@drawable/btn_background" />
+    <item android:id="@+id/backgroundItem"
+          android:drawable="@drawable/btn_background" />
 
     <item>
         <bitmap android:src="@drawable/ic_overflow_menu"
diff --git a/InCallUI/res/drawable/btn_swap.xml b/InCallUI/res/drawable/btn_swap.xml
index 7a82411..5d6c8ec 100644
--- a/InCallUI/res/drawable/btn_swap.xml
+++ b/InCallUI/res/drawable/btn_swap.xml
@@ -18,7 +18,8 @@
 
 <layer-list xmlns:android="http://schemas.android.com/apk/res/android">
 
-    <item android:drawable="@drawable/btn_background" />
+    <item android:id="@+id/backgroundItem"
+          android:drawable="@drawable/btn_background" />
 
     <item>
         <bitmap android:src="@drawable/ic_toolbar_swap"
diff --git a/InCallUI/res/layout/call_button_fragment.xml b/InCallUI/res/layout/call_button_fragment.xml
index aa87d0c..56d65b0 100644
--- a/InCallUI/res/layout/call_button_fragment.xml
+++ b/InCallUI/res/layout/call_button_fragment.xml
@@ -35,6 +35,7 @@
     android:layout_width="match_parent"
     android:layout_margin="0dp"
     android:padding="0dp"
+    android:background="@color/button_background_color"
     android:layout_height="wrap_content"
     android:layout_alignParentBottom="true"
     android:animateLayoutChanges="true"
@@ -46,7 +47,6 @@
         android:layout_height="wrap_content"
         android:paddingStart="@dimen/button_cluster_horizontal_padding"
         android:paddingEnd="@dimen/button_cluster_horizontal_padding"
-        android:background="@color/button_background_color"
         android:gravity="bottom|center_horizontal">
 
         <!-- This row only ever shows either 4 or 5 buttons. This may depend on whether the device
diff --git a/InCallUI/res/values/colors.xml b/InCallUI/res/values/colors.xml
index f691fe2..05c2cf1 100644
--- a/InCallUI/res/values/colors.xml
+++ b/InCallUI/res/values/colors.xml
@@ -76,4 +76,31 @@
 
     <!-- 20% opacity, theme color. -->
     <color name="incall_dialpad_touch_tint">#330288d1</color>
+
+    <!-- Background colors for InCallUI. This set of colors is a subset of
+        https://spec.googleplex.com/quantumpalette#extended which pass WCAG AA and all have a
+        contrast ratio over 5:1.
+
+        These colors are also used by InCallUIMaterialColorMapUtils to generate primary
+        activity colors.
+    -->
+    <array name="background_colors">
+        <item>#00796B</item>
+        <item>#3367D6</item>
+        <item>#303F9F</item>
+        <item>#7B1FA2</item>
+        <item>#C2185B</item>
+        <item>#C53929</item>
+    </array>
+
+    <!-- Darker versions of background_colors, two shades darker. These colors are used for the
+         status bar. -->
+    <array name="background_colors_dark">
+        <item>#004D40</item>
+        <item>#1C3AA9</item>
+        <item>#1A237E</item>
+        <item>#4A148C</item>
+        <item>#880E4F</item>
+        <item>#A52714</item>
+    </array>
 </resources>
diff --git a/InCallUI/src/com/android/incallui/CallButtonFragment.java b/InCallUI/src/com/android/incallui/CallButtonFragment.java
index 3324c91..2613782 100644
--- a/InCallUI/src/com/android/incallui/CallButtonFragment.java
+++ b/InCallUI/src/com/android/incallui/CallButtonFragment.java
@@ -17,7 +17,11 @@
 package com.android.incallui;
 
 import android.content.Context;
+import android.content.res.Resources;
+import android.graphics.drawable.Drawable;
 import android.graphics.drawable.LayerDrawable;
+import android.graphics.drawable.GradientDrawable;
+import android.graphics.drawable.StateListDrawable;
 import android.os.Bundle;
 import android.telecom.AudioState;
 import android.view.ContextThemeWrapper;
@@ -34,6 +38,9 @@
 import android.widget.PopupMenu.OnDismissListener;
 import android.widget.PopupMenu.OnMenuItemClickListener;
 
+import com.android.contacts.common.util.MaterialColorMapUtils;
+import com.android.contacts.common.util.MaterialColorMapUtils.MaterialPalette;
+
 /**
  * Fragment for call control buttons
  */
@@ -41,7 +48,6 @@
         extends BaseFragment<CallButtonPresenter, CallButtonPresenter.CallButtonUi>
         implements CallButtonPresenter.CallButtonUi, OnMenuItemClickListener, OnDismissListener,
         View.OnClickListener, CompoundButton.OnCheckedChangeListener {
-
     private ImageButton mAudioButton;
     private ImageButton mChangeToVoiceButton;
     private ImageButton mMuteButton;
@@ -66,6 +72,7 @@
     private static final int VISIBLE = 255;
 
     private boolean mIsEnabled;
+    private MaterialPalette mCurrentThemeColors;
 
     @Override
     CallButtonPresenter createPresenter() {
@@ -130,6 +137,8 @@
             getPresenter().refreshMuteState();
         }
         super.onResume();
+
+        updateColors();
     }
 
     @Override
@@ -190,6 +199,108 @@
         }
     }
 
+    public void updateColors() {
+        MaterialPalette themeColors = InCallPresenter.getInstance().getThemeColors();
+
+        if (mCurrentThemeColors != null && mCurrentThemeColors.equals(themeColors)) {
+            return;
+        }
+
+        Resources res = getActivity().getResources();
+        ImageButton[] compoundButtons = {
+                mAudioButton,
+                mMuteButton,
+                mShowDialpadButton,
+                mHoldButton,
+                mSwitchCameraButton,
+                mPauseVideoButton
+        };
+
+        for (ImageButton button : compoundButtons) {
+            final LayerDrawable layers = (LayerDrawable) button.getBackground();
+            final StateListDrawable btnCompoundDrawable = compoundBackgroundDrawable(themeColors);
+            layers.setDrawableByLayerId(R.id.compoundBackgroundItem, btnCompoundDrawable);
+        }
+
+        ImageButton[] normalButtons = {
+            mChangeToVoiceButton,
+            mSwapButton,
+            mChangeToVideoButton,
+            mAddCallButton,
+            mMergeButton,
+            mOverflowButton
+        };
+
+        for (ImageButton button : normalButtons) {
+            final LayerDrawable layers = (LayerDrawable) button.getBackground();
+            final StateListDrawable btnCompoundDrawable = backgroundDrawable(themeColors);
+            layers.setDrawableByLayerId(R.id.backgroundItem, btnCompoundDrawable);
+        }
+
+        mCurrentThemeColors = themeColors;
+    }
+
+    /**
+     * Generate a StateListDrawable which will be the background for a compound button, i.e.
+     * a button with pressed and unpressed states. The unpressed state will be the same color
+     * as the rest of the call card, the pressed state will be the dark version of that color.
+     */
+    private StateListDrawable compoundBackgroundDrawable(MaterialPalette palette) {
+        Resources res = getResources();
+        StateListDrawable stateListDrawable = new StateListDrawable();
+
+        addSelectedAndFocused(res, stateListDrawable);
+        addFocused(res, stateListDrawable);
+        addSelected(res, stateListDrawable, palette);
+        addUnselected(res, stateListDrawable, palette);
+
+        return stateListDrawable;
+    }
+
+    /**
+     * Generate a StateListDrawable which will be the background of a button to ensure it
+     * is the same color as the rest of the call card.
+     */
+    private StateListDrawable backgroundDrawable(MaterialPalette palette) {
+        Resources res = getResources();
+        StateListDrawable stateListDrawable = new StateListDrawable();
+
+        addFocused(res, stateListDrawable);
+        addUnselected(res, stateListDrawable, palette);
+
+        return stateListDrawable;
+    }
+
+    // state_selected and state_focused
+    private void addSelectedAndFocused(Resources res, StateListDrawable drawable) {
+        int[] selectedAndFocused = {android.R.attr.state_selected, android.R.attr.state_focused};
+        Drawable selectedAndFocusedDrawable = res.getDrawable(R.drawable.btn_selected_focused);
+        drawable.addState(selectedAndFocused, selectedAndFocusedDrawable);
+    }
+
+    // state_focused
+    private void addFocused(Resources res, StateListDrawable drawable) {
+        int[] focused = {android.R.attr.state_focused};
+        Drawable focusedDrawable = res.getDrawable(R.drawable.btn_unselected_focused);
+        drawable.addState(focused, focusedDrawable);
+    }
+
+    // state_selected
+    private void addSelected(Resources res, StateListDrawable drawable, MaterialPalette palette) {
+        int[] selected = {android.R.attr.state_selected};
+        LayerDrawable selectedDrawable = (LayerDrawable) res.getDrawable(R.drawable.btn_selected);
+        ((GradientDrawable) selectedDrawable.getDrawable(0)).setColor(palette.mSecondaryColor);
+        drawable.addState(selected, selectedDrawable);
+    }
+
+    // default
+    private void addUnselected(Resources res, StateListDrawable drawable, MaterialPalette palette) {
+        LayerDrawable unselectedDrawable =
+                (LayerDrawable) res.getDrawable(R.drawable.btn_unselected);
+        ((GradientDrawable) unselectedDrawable.getDrawable(0)).setColor(palette.mPrimaryColor);
+        drawable.addState(new int[0], unselectedDrawable);
+    }
+
     @Override
     public void setEnabled(boolean isEnabled) {
         mIsEnabled = isEnabled;
diff --git a/InCallUI/src/com/android/incallui/CallCardFragment.java b/InCallUI/src/com/android/incallui/CallCardFragment.java
index 6643128..a3804b1 100644
--- a/InCallUI/src/com/android/incallui/CallCardFragment.java
+++ b/InCallUI/src/com/android/incallui/CallCardFragment.java
@@ -46,7 +46,7 @@
 import android.widget.ImageButton;
 import android.widget.ImageView;
 import android.widget.TextView;
-
+import com.android.contacts.common.util.MaterialColorMapUtils.MaterialPalette;
 import com.android.contacts.common.widget.FloatingActionButtonController;
 import com.android.phone.common.animation.AnimUtils;
 
@@ -112,6 +112,8 @@
 
     private int mVideoAnimationDuration;
 
+    private MaterialPalette mCurrentThemeColors;
+
     @Override
     CallCardPresenter.CallCardUi getUi() {
         return this;
@@ -791,6 +793,22 @@
         mManageConferenceCallButton.setVisibility(visible ? View.VISIBLE : View.GONE);
     }
 
+    /**
+     * Get the overall InCallUI background colors and apply to call card.
+     */
+    public void updateColors() {
+        MaterialPalette themeColors = InCallPresenter.getInstance().getThemeColors();
+
+        if (mCurrentThemeColors != null && mCurrentThemeColors.equals(themeColors)) {
+            return;
+        }
+
+        mPrimaryCallCardContainer.setBackgroundColor(themeColors.mPrimaryColor);
+        mCallButtonsContainer.setBackgroundColor(themeColors.mPrimaryColor);
+
+        mCurrentThemeColors = themeColors;
+    }
+
     private void dispatchPopulateAccessibilityEvent(AccessibilityEvent event, View view) {
         if (view == null) return;
         final List<CharSequence> eventText = event.getText();
@@ -802,9 +820,8 @@
         }
     }
 
-    public void animateForNewOutgoingCall(Point touchPoint) {
+    public void animateForNewOutgoingCall(final Point touchPoint) {
         final ViewGroup parent = (ViewGroup) mPrimaryCallCardContainer.getParent();
-        final Point startPoint = touchPoint;
 
         final ViewTreeObserver observer = getView().getViewTreeObserver();
 
@@ -835,7 +852,7 @@
                 mCallTypeLabel.setAlpha(0);
                 mCallNumberAndLabel.setAlpha(0);
 
-                final Animator revealAnimator = getRevealAnimator(startPoint);
+                final Animator revealAnimator = getRevealAnimator(touchPoint);
                 final Animator shrinkAnimator =
                         getShrinkAnimator(parent.getHeight(), originalHeight);
 
@@ -903,6 +920,8 @@
                 updateFabPosition();
             }
         });
+
+        updateColors();
     }
 
     /**
diff --git a/InCallUI/src/com/android/incallui/DialpadFragment.java b/InCallUI/src/com/android/incallui/DialpadFragment.java
index 6cb5d1f..63f6379 100644
--- a/InCallUI/src/com/android/incallui/DialpadFragment.java
+++ b/InCallUI/src/com/android/incallui/DialpadFragment.java
@@ -34,6 +34,7 @@
 import android.widget.LinearLayout;
 import android.widget.TextView;
 
+import com.android.contacts.common.util.MaterialColorMapUtils.MaterialPalette;
 import com.android.phone.common.dialpad.DialpadKeyButton;
 import com.android.phone.common.dialpad.DialpadView;
 
@@ -48,6 +49,10 @@
 
     private static final int ACCESSIBILITY_DTMF_STOP_DELAY_MILLIS = 50;
 
+    private final int[] mButtonIds = new int[] {R.id.zero, R.id.one, R.id.two, R.id.three,
+            R.id.four, R.id.five, R.id.six, R.id.seven, R.id.eight, R.id.nine, R.id.star,
+            R.id.pound};
+
     /**
      * LinearLayout with getter and setter methods for the translationY property using floats,
      * for animation purposes.
@@ -132,6 +137,8 @@
 
     private DialpadView mDialpadView;
 
+    private int mCurrentTextColor;
+
     /**
      * Our own key listener, specialized for dealing with DTMF codes.
      *   1. Ignore the backspace since it is irrelevant.
@@ -457,13 +464,35 @@
             // the edit (copy / paste / select) functions.
             mDtmfDialerField.setLongClickable(false);
             mDtmfDialerField.setElegantTextHeight(false);
-            configureKeypadListeners(mDialpadView);
+            configureKeypadListeners();
         }
 
         return parent;
     }
 
     @Override
+    public void onResume() {
+        super.onResume();
+        updateColors();
+    }
+
+    public void updateColors() {
+        int textColor = InCallPresenter.getInstance().getThemeColors().mPrimaryColor;
+
+        if (mCurrentTextColor == textColor) {
+            return;
+        }
+
+        DialpadKeyButton dialpadKey;
+        for (int i = 0; i < mButtonIds.length; i++) {
+            dialpadKey = (DialpadKeyButton) mDialpadView.findViewById(mButtonIds[i]);
+            ((TextView) dialpadKey.findViewById(R.id.dialpad_key_number)).setTextColor(textColor);
+        }
+
+        mCurrentTextColor = textColor;
+    }
+
+    @Override
     public void onDestroyView() {
         mDialerKeyListener = null;
         super.onDestroyView();
@@ -544,12 +573,10 @@
         }
     }
 
-    private void configureKeypadListeners(View fragmentView) {
-        final int[] buttonIds = new int[] {R.id.zero, R.id.one, R.id.two, R.id.three, R.id.four,
-                R.id.five, R.id.six, R.id.seven, R.id.eight, R.id.nine, R.id.star, R.id.pound};
+    private void configureKeypadListeners() {
         DialpadKeyButton dialpadKey;
-        for (int i = 0; i < buttonIds.length; i++) {
-            dialpadKey = (DialpadKeyButton) fragmentView.findViewById(buttonIds[i]);
+        for (int i = 0; i < mButtonIds.length; i++) {
+            dialpadKey = (DialpadKeyButton) mDialpadView.findViewById(mButtonIds[i]);
             dialpadKey.setOnTouchListener(this);
             dialpadKey.setOnKeyListener(this);
             dialpadKey.setOnHoverListener(this);
diff --git a/InCallUI/src/com/android/incallui/InCallActivity.java b/InCallUI/src/com/android/incallui/InCallActivity.java
index 27d17c4..5316b6d 100644
--- a/InCallUI/src/com/android/incallui/InCallActivity.java
+++ b/InCallUI/src/com/android/incallui/InCallActivity.java
@@ -21,17 +21,20 @@
 import android.app.AlertDialog;
 import android.app.FragmentManager;
 import android.app.FragmentTransaction;
+import android.content.Context;
 import android.content.DialogInterface;
 import android.content.DialogInterface.OnClickListener;
 import android.content.DialogInterface.OnCancelListener;
 import android.content.Intent;
 import android.content.res.Configuration;
+import android.content.res.Resources;
 import android.graphics.Point;
 import android.net.Uri;
 import android.os.Bundle;
 import android.telecom.DisconnectCause;
 import android.telecom.PhoneAccount;
 import android.telecom.PhoneAccountHandle;
+import android.telecom.TelecomManager;
 import android.telephony.PhoneNumberUtils;
 import android.text.TextUtils;
 import android.view.MenuItem;
@@ -46,6 +49,8 @@
 import com.android.phone.common.animation.AnimUtils;
 import com.android.phone.common.animation.AnimationListenerAdapter;
 import com.android.contacts.common.interactions.TouchPointManager;
+import com.android.contacts.common.util.MaterialColorMapUtils;
+import com.android.contacts.common.util.MaterialColorMapUtils.MaterialPalette;
 import com.android.contacts.common.widget.SelectPhoneAccountDialogFragment;
 import com.android.contacts.common.widget.SelectPhoneAccountDialogFragment.SelectPhoneAccountListener;
 import com.android.incallui.Call.State;
@@ -193,6 +198,9 @@
         super.onResume();
 
         mIsForegroundActivity = true;
+
+        InCallPresenter.getInstance().setThemeColors();
+
         InCallPresenter.getInstance().onUiShowing(true);
 
         if (mShowDialpadRequested) {
@@ -493,6 +501,7 @@
                         touchPoint = (Point) extras.getParcelable(TouchPointManager.TOUCH_POINT);
                     }
                 }
+
                 mCallCardFragment.animateForNewOutgoingCall(touchPoint);
 
                 /*
diff --git a/InCallUI/src/com/android/incallui/InCallPresenter.java b/InCallUI/src/com/android/incallui/InCallPresenter.java
index 1299dd3..bd81f10 100644
--- a/InCallUI/src/com/android/incallui/InCallPresenter.java
+++ b/InCallUI/src/com/android/incallui/InCallPresenter.java
@@ -27,6 +27,7 @@
 import android.telecom.PhoneCapabilities;
 import android.telecom.Phone;
 import android.telecom.PhoneAccountHandle;
+import android.telecom.TelecomManager;
 import android.telecom.VideoProfile;
 import android.text.TextUtils;
 import android.view.Surface;
@@ -34,6 +35,8 @@
 
 import com.google.common.base.Preconditions;
 
+import com.android.contacts.common.util.MaterialColorMapUtils;
+import com.android.contacts.common.util.MaterialColorMapUtils.MaterialPalette;
 import com.android.incalluibind.ObjectFactory;
 
 import java.util.Collections;
@@ -143,6 +146,11 @@
 
     private Phone mPhone;
 
+    /** Display colors for the UI. Consists of a primary color and secondary (darker) color */
+    private MaterialPalette mThemeColors;
+
+    private TelecomManager mTelecomManager;
+
     public static synchronized InCallPresenter getInstance() {
         if (sInCallPresenter == null) {
             sInCallPresenter = new InCallPresenter();
@@ -1101,6 +1109,53 @@
     }
 
     /**
+     * Extract background color from call object. The theme colors will include a primary color
+     * and a secondary color.
+     */
+    public void setThemeColors() {
+        if (mInCallActivity == null) {
+            return;
+        }
+
+        Call call = CallList.getInstance().getFirstCall();
+        TelecomManager tm = getTelecomManager();
+
+        int color = PhoneAccount.NO_COLOR;
+
+        if (call != null && tm != null && tm.hasMultipleCallCapableAccounts()) {
+            PhoneAccount account = tm.getPhoneAccount(call.getAccountHandle());
+            if (account != null) {
+                color = account.getColor();
+            }
+        }
+
+        // This method will set the background to default if the color is PhoneAccount.NO_COLOR.
+        mThemeColors = new InCallUIMaterialColorMapUtils(mContext.getResources()).
+                calculatePrimaryAndSecondaryColor(color);
+
+        mInCallActivity.getWindow().setStatusBarColor(mThemeColors.mSecondaryColor);
+    }
+
+    /**
+     * @return A palette for colors to display in the UI.
+     */
+    public MaterialPalette getThemeColors() {
+        return mThemeColors;
+    }
+
+    /**
+     * @return An instance of TelecomManager.
+     */
+    private TelecomManager getTelecomManager() {
+        if (mTelecomManager == null) {
+            mTelecomManager = (TelecomManager)
+                    mInCallActivity.getSystemService(Context.TELECOM_SERVICE);
+        }
+        return mTelecomManager;
+    }
+
+
+    /**
      * Private constructor. Must use getInstance() to get this singleton.
      */
     private InCallPresenter() {
diff --git a/InCallUI/src/com/android/incallui/InCallUIMaterialColorMapUtils.java b/InCallUI/src/com/android/incallui/InCallUIMaterialColorMapUtils.java
new file mode 100644
index 0000000..efab45f
--- /dev/null
+++ b/InCallUI/src/com/android/incallui/InCallUIMaterialColorMapUtils.java
@@ -0,0 +1,52 @@
+package com.android.incallui;
+
+import android.content.res.Resources;
+import android.content.res.TypedArray;
+import android.telecom.PhoneAccount;
+
+import com.android.contacts.common.util.MaterialColorMapUtils;
+import com.android.contacts.common.util.MaterialColorMapUtils.MaterialPalette;
+
+public class InCallUIMaterialColorMapUtils extends MaterialColorMapUtils {
+    private final TypedArray sPrimaryColors;
+    private final TypedArray sSecondaryColors;
+    private final Resources mResources;
+
+    public InCallUIMaterialColorMapUtils(Resources resources) {
+        super(resources);
+        sPrimaryColors = resources.obtainTypedArray(
+                com.android.incallui.R.array.background_colors);
+        sSecondaryColors = resources.obtainTypedArray(
+                com.android.contacts.common.R.array.background_colors_dark);
+        mResources = resources;
+    }
+
+    /**
+     * Currently the InCallUI color will only vary by SIM color which is a list of colors
+     * defined in the background_colors array, so first search the list for the matching color and
+     * fall back to the closest matching color if an exact match does not exist.
+     */
+    @Override
+    public MaterialPalette calculatePrimaryAndSecondaryColor(int color) {
+        if (color == PhoneAccount.NO_COLOR) {
+            return getDefaultPrimaryAndSecondaryColors(mResources);
+        }
+
+        for (int i = 0; i < sPrimaryColors.length(); i++) {
+            if (sPrimaryColors.getColor(i, 0) == color) {
+                return new MaterialPalette(
+                        sPrimaryColors.getColor(i, 0),
+                        sSecondaryColors.getColor(i, 0));
+            }
+        }
+
+        // The color isn't in the list, so use the superclass to find an approximate color.
+        return super.calculatePrimaryAndSecondaryColor(color);
+    }
+
+    public static MaterialPalette getDefaultPrimaryAndSecondaryColors(Resources resources) {
+        final int primaryColor = resources.getColor(R.color.dialer_theme_color);
+        final int secondaryColor = resources.getColor(R.color.dialer_theme_color_dark);
+        return new MaterialPalette(primaryColor, secondaryColor);
+    }
+}
\ No newline at end of file