diff --git a/vim/colors/monotonous-dark.erb b/vim/colors/monotonous-dark.erb
index 263f8e8..d6e352a 100644
--- a/vim/colors/monotonous-dark.erb
+++ b/vim/colors/monotonous-dark.erb
@@ -44,10 +44,10 @@
 
     black = ["#131313", 0, "black"]
     gray0 = ["#1f2121", 232, "black"]
-    gray_bg_dark2 = ["#252627", 232, "gray"]
-    gray_bg_dark3 = ["#272829", 232, "gray"]
-    gray_bg_dark4 = ["#292a29", 232, "gray"]
-    gray_bg = ["#2a2c2d", 234, "black"]
+    gray_bg_dark2 = ["#1E1F20", 232, "gray"]
+    gray_bg_dark3 = ["#202122", 232, "gray"]
+    gray_bg_dark4 = ["#232423", 232, "gray"]
+    gray_bg = ["#252627", 234, "black"]
     gray1 = ["#333535", 237, "black"]
     gray_deco = ["#3f3f3f", 238, "gray"]
     gray2 = ["#494545", 238, "gray"]