diff --git a/win-linux/res/styles/theme-gray.json b/win-linux/res/styles/theme-gray.json
index 7f219d550..8b91688c1 100644
--- a/win-linux/res/styles/theme-gray.json
+++ b/win-linux/res/styles/theme-gray.json
@@ -16,7 +16,7 @@
         "tool-button-background": "#d9d9d9",
         "tool-button-hover-background": "#e6e6e6",
         "tool-button-pressed-background": "#b7b7b7",
-        "tool-button-active-background": "#f7f7f7",
+        "tool-button-active-background": "#fff",
 
         "download-widget-background": "#fff",
         "download-widget-border": "#cbcbcb",
diff --git a/win-linux/src/utils.cpp b/win-linux/src/utils.cpp
index fa45ec540..a20236114 100644
--- a/win-linux/src/utils.cpp
+++ b/win-linux/src/utils.cpp
@@ -1068,6 +1068,8 @@ namespace WindowHelper {
                 }
                 if (DwmGetColorizationColor && SUCCEEDED(DwmGetColorizationColor(&dwcolor, &opaque))) {
                     float a = (float)((dwcolor >> 24) & 0xff)/255;
+                    if (a < 0.8)
+                        a = 0.8;
                     int r = (int)(((dwcolor >> 16) & 0xff) * a + 255 * (1 - a));
                     int g = (int)(((dwcolor >> 8) & 0xff) * a + 255 * (1 - a));
                     int b = (int)((dwcolor & 0xff) * a + 255 * (1 - a));