diff --git a/images/theme_tab_background.png b/images/theme_tab_background.png
index e455190..d95587a 100644
Binary files a/images/theme_tab_background.png and b/images/theme_tab_background.png differ
diff --git a/images/theme_toolbar.png b/images/theme_toolbar.png
index 51a10df..1785bb6 100644
Binary files a/images/theme_toolbar.png and b/images/theme_toolbar.png differ
diff --git a/manifest.json b/manifest.json
index 707ff68..2be150b 100644
--- a/manifest.json
+++ b/manifest.json
@@ -3,7 +3,7 @@
 
 	"name": "Material Incognito Dark Theme",
 	"description": "A theme that adds the dark Incognito Mode colour scheme to the normal mode of Chrome.",
-	"version": "3.0.0",
+	"version": "4.0.0",
 
 	"theme": {
 		"images": {
@@ -14,13 +14,13 @@
 			"theme_tab_background_v": "images/theme_tab_background.png"
 		},
 		"colors": {
-			"frame": [40, 43, 45],
-			"frame_inactive": [56, 59, 61],
-			"frame_incognito": [40, 43, 45],
-			"frame_incognito_inactive": [56, 59, 61],
-			"toolbar": [80, 80, 80],
+			"frame": [32, 33, 37],
+			"frame_inactive": [32, 33, 37],
+			"frame_incognito": [32, 33, 37],
+			"frame_incognito_inactive": [32, 33, 37],
+			"toolbar": [50, 54, 57],
 			"tab_text": [255, 255, 255],
-			"tab_background_text": [255, 255, 255],
+			"tab_background_text": [189, 193, 198],
 			"bookmark_text": [255, 255, 255],
 			"ntp_background": [48, 48, 48],
 			"ntp_text": [255, 255, 255]