diff --git a/wp-content/themes/twentytwentyone/assets/css/ie-editor.css b/wp-content/themes/twentytwentyone/assets/css/ie-editor.css
index abb204bbe5..2bc9627d91 100644
--- a/wp-content/themes/twentytwentyone/assets/css/ie-editor.css
+++ b/wp-content/themes/twentytwentyone/assets/css/ie-editor.css
@@ -3260,6 +3260,18 @@ a {
 	background-color: #fff;
 }
 
+.has-background:not(.has-text-color).has-black-background-color[class] {
+	color: #fff;
+}
+
+.has-background:not(.has-text-color).has-gray-background-color[class] {
+	color: #fff;
+}
+
+.has-background:not(.has-text-color).has-dark-gray-background-color[class] {
+	color: #fff;
+}
+
 .has-background:not(.has-text-color).has-black-background-color[class] > [class*=__inner-container] {
 	color: #28303d;
 }
@@ -3272,6 +3284,34 @@ a {
 	color: #28303d;
 }
 
+.has-background:not(.has-text-color).has-green-background-color[class] {
+	color: #28303d;
+}
+
+.has-background:not(.has-text-color).has-blue-background-color[class] {
+	color: #28303d;
+}
+
+.has-background:not(.has-text-color).has-purple-background-color[class] {
+	color: #28303d;
+}
+
+.has-background:not(.has-text-color).has-red-background-color[class] {
+	color: #28303d;
+}
+
+.has-background:not(.has-text-color).has-orange-background-color[class] {
+	color: #28303d;
+}
+
+.has-background:not(.has-text-color).has-yellow-background-color[class] {
+	color: #28303d;
+}
+
+.has-background:not(.has-text-color).has-white-background-color[class] {
+	color: #28303d;
+}
+
 .has-background:not(.has-text-color).has-green-background-color[class] > [class*=__inner-container] {
 	color: #28303d;
 }
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 4cb132bdd8..ca96a98876 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.8-alpha-50666';
+$wp_version = '5.8-alpha-50667';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.