[Galaxy S6 General] thereassaad:
Yep its bg colored & i will post the method how to do it on nougat later if no one posted before .. but its easy mate

---------- Post added at 03:39 PM ---------- Previous post was at 03:18 PM ----------

here u go guys ,,

this method u need to implemented in phonestatusbar.smali

.method setNotiSettDoneBottomColor()V
.locals 5

iget-object v1, p0, Lcom/android/systemui/SystemUI;->mContext:Landroid/content/Context;

invoke-virtual {v1}, Landroid/content/Context;->getContentResolver()Landroid/content/ContentResolver;

move-result-object v1

const-string v2, "eragon_expanded_switch_bg" # rc key switch

const/4 v3, 0x0

invoke-static {v1, v2, v3}, Landroid/provider/Settings$System;->getInt(Landroid/content/ContentResolver;Ljava/lang/String;I)I

move-result v1

const/4 v4, 0x1

if-ne v1, v4, :cond_0

iget-object v0, p0, Lcom/android/systemui/statusbar/phone/PhoneStatusBar;->mStatusBarWindow:Lcom/android/systemui/statusbar/phone/StatusBarWindowView;

const v1, 0x7f1302d3 ## <public type="id" name="notification_bottom_block_mode" id="0x7f1302d3" />

invoke-virtual {v0, v1}, Lcom/android/systemui/statusbar/phone/StatusBarWindowView;->findViewById(I)Landroid/view/View;

move-result-object v0

iget-object v1, p0, Lcom/android/systemui/SystemUI;->mContext:Landroid/content/Context;

invoke-virtual {v1}, Landroid/content/Context;->getContentResolver()Landroid/content/ContentResolver;

move-result-object v2

const-string v3, "not_setti_done_bottom_bg" ## rc key color

const v1, -0x171718

invoke-static {v2, v3, v1}, Landroid/provider/Settings$System;->getInt(Landroid/content/ContentResolver;Ljava/lang/String;I)I

move-result v2

invoke-virtual {v0, v2}, Landroid/widget/FrameLayout;->setBackgroundColor(I)V

:cond_0
return-void
.end method

& this the xml where it is in nougat dunno about it in mm ux but it should be same

<LinearLayout android:orientation="vertical" android:id="@id/notification_bottom_block_mode" android:background="@color/block_mode_bottom_bar_bg" android:focusable="true" android:visibility="gone" android:layout_width="fill_parent" android:layout_height="@dimen/block_mode_bottom_bar_height" android:layout_marginTop="1.0px">
<TextView android:textSize="13.0dip" android:id="@id/block_button_info_text_to_inform_way_to_unblock" android:paddingTop="@dimen/block_button_info_text_padding_top" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="@string/block_notification_text_to_inform_way_to_unblock" android:includeFontPadding="false" android:fontFamily="sec-roboto-condensed" android:paddingStart="@dimen/block_button_info_text_padding_side" android:paddingEnd="@dimen/block_button_info_text_padding_side" />
<LinearLayout android:gravity="end|center" android:orientation="horizontal" android:id="@id/notification_bottom_block_mode" android:layout_width="fill_parent" android:layout_height="wrap_content">
<TextView android:textSize="@dimen/bottom_bar_button_text_size" android:textStyle="bold" android:textColor="@color/bottom_bar_button_text_color" android:gravity="center_vertical" android:id="@id/block_button" android:background="@drawable/notification_bottom_bar_button_ripple_bg" android:focusable="true" android:clickable="true" android:layout_width="wrap_content" android:layout_height="@dimen/bottom_bar_button_height" android:text="@string/block_notification_text" android:singleLine="true" android:includeFontPadding="false" android:textAllCaps="true" android:fontFamily="sec-roboto-condensed" android:layout_marginEnd="@dimen/bottom_bar_first_button_right_margin" />
<TextView android:textSize="@dimen/bottom_bar_button_text_size" android:textStyle="bold" android:textColor="@color/bottom_bar_button_text_color" android:gravity="center_vertical" android:id="@id/block_done" android:background="@drawable/notification_bottom_bar_button_ripple_bg" android:focusable="true" android:visibility="visible" android:clickable="true" android:layout_width="wrap_content" android:layout_height="@dimen/bottom_bar_button_height" android:text="@string/block_done_text" android:singleLine="true" android:includeFontPadding="false" android:textAllCaps="true" android:fontFamily="sec-roboto-condensed" android:layout_marginEnd="@dimen/bottom_bar_second_button_right_margin" />
</LinearLayout>
</LinearLayout>

in layout/notification_stack_bottom_bar.xml