diff --git a/src/wp-admin/includes/misc.php b/src/wp-admin/includes/misc.php
index 6c00a0ffb1951..6f6b1e2511fda 100644
--- a/src/wp-admin/includes/misc.php
+++ b/src/wp-admin/includes/misc.php
@@ -1018,7 +1018,7 @@ function admin_color_scheme_picker( $user_id ) {
 	$current_color = get_user_option( 'admin_color', $user_id );
 
 	if ( empty( $current_color ) || ! isset( $_wp_admin_css_colors[ $current_color ] ) ) {
-		$current_color = 'fresh';
+		$current_color = 'modern';
 	}
 	?>
 	<fieldset id="color-picker" class="scheme-list">
diff --git a/src/wp-admin/includes/upgrade.php b/src/wp-admin/includes/upgrade.php
index 04b7016b83bc9..52698a647281a 100644
--- a/src/wp-admin/includes/upgrade.php
+++ b/src/wp-admin/includes/upgrade.php
@@ -886,6 +886,10 @@ function upgrade_all() {
 		upgrade_682();
 	}
 
+	if ( $wp_current_db_version < 60718 ) {
+		upgrade_700();
+	}
+
 	maybe_disable_link_manager();
 
 	maybe_disable_automattic_widgets();
@@ -2481,6 +2485,28 @@ function ( $url ) {
 	}
 }
 
+/**
+ * Executes changes made in WordPress 7.0.
+ *
+ * @ignore
+ * @since 7.0.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ */
+function upgrade_700() {
+	global $wpdb;
+
+	// Migrate users with 'fresh' admin color to 'modern'.
+	$wpdb->query(
+		$wpdb->prepare(
+			"UPDATE $wpdb->usermeta SET meta_value = %s WHERE meta_key = %s AND meta_value = %s",
+			'modern',
+			'admin_color',
+			'fresh'
+		)
+	);
+}
+
 /**
  * Executes network-level upgrade routines.
  *
diff --git a/src/wp-includes/general-template.php b/src/wp-includes/general-template.php
index f5dacf28f7327..550b7b2f5c281 100644
--- a/src/wp-includes/general-template.php
+++ b/src/wp-includes/general-template.php
@@ -4885,7 +4885,7 @@ function register_admin_color_schemes() {
 
 	wp_admin_css_color(
 		'fresh',
-		_x( 'Default', 'admin color scheme' ),
+		_x( 'Classic', 'admin color scheme' ),
 		false,
 		array( '#1d2327', '#2c3338', '#2271b1', '#72aee6' ),
 		array(
diff --git a/src/wp-includes/user.php b/src/wp-includes/user.php
index 7885efe531b49..545329d8d776d 100644
--- a/src/wp-includes/user.php
+++ b/src/wp-includes/user.php
@@ -2184,7 +2184,7 @@ function validate_username( $username ) {
  *     @type string $comment_shortcuts    Whether to enable comment moderation keyboard
  *                                        shortcuts for the user. Accepts 'true' or 'false'
  *                                        as a string literal, not boolean. Default 'false'.
- *     @type string $admin_color          Admin color scheme for the user. Default 'fresh'.
+ *     @type string $admin_color          Admin color scheme for the user. Default 'modern'.
  *     @type bool   $use_ssl              Whether the user should always access the admin over
  *                                        https. Default false.
  *     @type string $user_registered      Date the user registered in UTC. Format is 'Y-m-d H:i:s'.
@@ -2457,7 +2457,7 @@ function wp_insert_user( $userdata ) {
 
 	$meta['comment_shortcuts'] = empty( $userdata['comment_shortcuts'] ) || 'false' === $userdata['comment_shortcuts'] ? 'false' : 'true';
 
-	$admin_color         = empty( $userdata['admin_color'] ) ? 'fresh' : $userdata['admin_color'];
+	$admin_color         = empty( $userdata['admin_color'] ) ? 'modern' : $userdata['admin_color'];
 	$meta['admin_color'] = preg_replace( '|[^a-z0-9 _.\-@]|i', '', $admin_color );
 
 	$meta['use_ssl'] = empty( $userdata['use_ssl'] ) ? '0' : '1';
@@ -2546,7 +2546,7 @@ function wp_insert_user( $userdata ) {
 	 *     @type string   $rich_editing         Whether to enable the rich-editor for the user. Default 'true'.
 	 *     @type string   $syntax_highlighting  Whether to enable the rich code editor for the user. Default 'true'.
 	 *     @type string   $comment_shortcuts    Whether to enable keyboard shortcuts for the user. Default 'false'.
-	 *     @type string   $admin_color          The color scheme for a user's admin screen. Default 'fresh'.
+	 *     @type string   $admin_color          The color scheme for a user's admin screen. Default 'modern'.
 	 *     @type int|bool $use_ssl              Whether to force SSL on the user's admin area. 0|false if SSL
 	 *                                          is not forced.
 	 *     @type string   $show_admin_bar_front Whether to show the admin bar on the front end for the user.
diff --git a/src/wp-includes/version.php b/src/wp-includes/version.php
index f1d2d950ab737..74a772b2163f3 100644
--- a/src/wp-includes/version.php
+++ b/src/wp-includes/version.php
@@ -23,7 +23,7 @@
  *
  * @global int $wp_db_version
  */
-$wp_db_version = 60717;
+$wp_db_version = 60718;
 
 /**
  * Holds the TinyMCE version.