diff --git a/app/res/layout/activity_principal.xml b/app/res/layout/activity_principal.xml
--- a/app/res/layout/activity_principal.xml
+++ b/app/res/layout/activity_principal.xml
@@ -30,14 +30,13 @@
         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
--- a/app/res/layout/nav_header.xml
+++ b/app/res/layout/nav_header.xml
@@ -3,7 +3,7 @@
     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"
@@ -26,8 +26,8 @@
 
         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
diff --git a/app/res/values/colors.xml b/app/res/values/colors.xml
--- a/app/res/values/colors.xml
+++ b/app/res/values/colors.xml
@@ -9,11 +9,14 @@
 
     <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>-->
@@ -21,6 +24,7 @@
     <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