diff --git a/app/src/main/res/values/colors.xml b/app/src/main/res/values/colors.xml
index 1707f0bf..f7accebf 100644
--- a/app/src/main/res/values/colors.xml
+++ b/app/src/main/res/values/colors.xml
@@ -10,17 +10,17 @@
     <color name="colorDividerInverse">#1fffffff</color>
 
     <color name="grade_black">#424242</color>
-    <color name="grade_red">#F44336</color>
-    <color name="grade_blue">#2196F3</color>
-    <color name="grade_green">#8BC34A</color>
-    <color name="grade_purple">#7E57C2</color>
+    <color name="grade_red">#d43f3f</color>
+    <color name="grade_blue">#49a6f2</color>
+    <color name="grade_green">#a0c431</color>
+    <color name="grade_purple">#8b6bc2</color>
 
-    <color name="grade_material_six">#03a9f4</color>
+    <color name="grade_material_six">#3dbbf5</color>
     <color name="grade_material_five">#4caf50</color>
-    <color name="grade_material_four">#92c400</color>
-    <color name="grade_material_three">#ffa000</color>
-    <color name="grade_material_two">#ff5722</color>
-    <color name="grade_material_one">#d32f2f</color>
+    <color name="grade_material_four">#a0c431</color>
+    <color name="grade_material_three">#ffb940</color>
+    <color name="grade_material_two">#ff774d</color>
+    <color name="grade_material_one">#d43f3f</color>
     <color name="grade_material_default">#607d8b</color>
 
     <color name="grade_vulcan_six">#91b43c</color>