diff --git a/core/modules/color/color.module b/core/modules/color/color.module
index aaf0ba6f20b552bce2a4bb390aef26700a4b5d1a..8a54e5558ca0ab77ffd8e370ef4362c824b91424 100644
--- a/core/modules/color/color.module
+++ b/core/modules/color/color.module
@@ -5,6 +5,7 @@
  */
 
 use Drupal\Core\Asset\CssOptimizer;
+use Drupal\Component\Utility\String;
 
 /**
  * Implements hook_help().
@@ -214,7 +215,7 @@ function color_scheme_form($complete_form, &$form_state, $theme) {
     if (isset($names[$name])) {
       $form['palette'][$name] = array(
         '#type' => 'textfield',
-        '#title' => check_plain($names[$name]),
+        '#title' => String::checkPlain($names[$name]),
         '#value_callback' => 'color_palette_color_value',
         '#default_value' => $value,
         '#size' => 8,