diff --git a/app/res/layout/activity_principal.xml b/app/res/layout/activity_principal.xml
index f2704b6..c708cf7 100644
--- a/app/res/layout/activity_principal.xml
+++ b/app/res/layout/activity_principal.xml
@@ -1,43 +1,42 @@
 <?xml version="1.0" encoding="utf-8"?>
 <androidx.drawerlayout.widget.DrawerLayout
     xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:id="@+id/drawer_layout"
     android:layout_height="match_parent">
     <LinearLayout
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:orientation="vertical">
     <!-- The ActionBar displayed at the top -->
 
         <include
             layout="@layout/default_toobar"
             android:layout_width="match_parent"
             android:layout_height="wrap_content" />
         <!-- The main content view where fragments are loaded -->
 
         <FrameLayout
             android:id="@+id/mainActContentFrame"
             app:layout_behavior="@string/appbar_scrolling_view_behavior"
             android:layout_width="match_parent"
             android:layout_height="match_parent" />
 
     </LinearLayout>
 
     <com.google.android.material.navigation.NavigationView
 
         android:id="@+id/nvView"
         android:layout_width="wrap_content"
         android:layout_height="match_parent"
         android:layout_gravity="start"
-        android:background="?attr/colorPrimaryDark"
-        android:theme="@style/ThemeOverlay.AppCompat.Dark"
+        android:background="@color/grey_050"
+        android:theme="@style/ThemeOverlay.AppCompat.Light"
         app:headerLayout="@layout/nav_header"
-        app:insetForeground="@color/teal_200"
-        app:itemIconTint="@color/teal_200"
+        app:itemIconTint="@color/teal_500"
         app:itemTextAppearance="?android:attr/textAppearanceMedium"
-        app:itemTextColor="@android:color/white"
+        app:itemTextColor="@color/black_900"
         android:fitsSystemWindows="true"
         app:menu="@menu/drawer_main" />
 
 </androidx.drawerlayout.widget.DrawerLayout>
\ No newline at end of file
diff --git a/app/res/layout/nav_header.xml b/app/res/layout/nav_header.xml
index 6eecceb..077d024 100644
--- a/app/res/layout/nav_header.xml
+++ b/app/res/layout/nav_header.xml
@@ -1,39 +1,39 @@
 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:background="@color/teal_300"
+    android:background="?attr/colorPrimary"
     android:gravity="bottom"
     android:minHeight="120dp"
     android:orientation="vertical"
     android:padding="16dp"
     android:theme="@style/ThemeOverlay.AppCompat.Dark">
     <!--
     <ImageView
         android:id="@+id/nav_img"
         android:layout_width="match_parent"
         android:layout_height="100dp"
         android:minHeight="40dp"
         app:srcCompat="@drawable/ic_mars2020" />
         -->
 
     <TextView
 
         android:layout_width="match_parent"
 
         android:layout_height="wrap_content"
 
         android:text="@string/app_name_full"
 
-        android:textAppearance="@style/ThemeOverlay.AppCompat.Light"
-        android:textColor="#FFFFFF"
+        android:textAppearance="@style/TextAppearance.AppCompat.Title"
+        android:textColor="@color/white"
         android:textSize="20sp" />
 
     <!--<TextView
             android:text="@string/app_version"
             android:layout_width="match_parent"
             android:layout_height="wrap_content" android:id="@+id/versionTextView"
             android:textAppearance="@style/TextAppearance.AppCompat.Small"
             android:gravity="center_vertical" android:layout_margin="10dp"/>-->
 </LinearLayout>
\ No newline at end of file
diff --git a/app/res/values/colors.xml b/app/res/values/colors.xml
index 8f32e5f..502ca96 100644
--- a/app/res/values/colors.xml
+++ b/app/res/values/colors.xml
@@ -1,26 +1,30 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
 
     <color name="orange_500">#ff9800</color>
     <color name="orange_700">#F57C00</color>
     <color name="blue_500">#2196F3</color>
     <color name="blue_620">#2a65e8</color>
     <color name="blue_700">#2060dd</color> <!-- #1976D2 -->
 
     <color name="blue_mid_2">#2378e8</color>
     <color name="blue_c_or_700">#0079f5</color>
+    <color name="teal_dark">#2a968b</color>
+    <color name="blue_comp_500">#0067ff</color>
 
     <color name="teal_500">#009688</color>
     <color name="teal_300">#4DB6AC</color>
     <color name="teal_200">#80cbc4</color>
     <color name="grey_100">#F5F5F5</color>
+    <color name="grey_050">#f8f8f8</color>
     <color name="grey_600">#757575</color>
     <!--<color name="white">#FFFFFF</color>
     <color name="accent">#009688</color>-->
     <color name="metro_red">#DE0908</color>
     <color name="blue_extraurbano">#2060DD</color>
     <color name="white">#FFFFFF</color>
     <color name="black">#000000</color>
+    <color name="black_900">#1c1c1c</color>
     <color name="line_pattern_color">@color/blue_mid_2</color><!-- 2e8df0-->
 
 </resources>
\ No newline at end of file