Update colors

jet/static/jet/css/_variables.scss

@@ -102,8 +102,8 @@ $top-icon-color: $contrast-color !default;
 
 $top-dropdown-background-color: $blue-color-4 !default;
 $top-dropdown-text-color: $blue-color-9 !default;
-$top-dropdown-contrast-background-color: $blue-color-5 !default;
-$top-dropdown-contrast-text-color: $blue-color-9 !default;
+$top-dropdown-contrast-background-color: $blue-color-3 !default;
+$top-dropdown-contrast-text-color: $blue-color-7 !default;
 $top-dropdown-border-color: $blue-color-5 !default;
 $top-dropdown-link-color: $blue-color-9 !default;
 $top-dropdown-hover-link-color: $blue-color-9 !default;