diff --git a/google_vision.module b/google_vision.module
index b5b4609..ba83995 100644
--- a/google_vision.module
+++ b/google_vision.module
@@ -33,6 +33,21 @@ function google_vision_entity_presave(Drupal\Core\Entity\EntityInterface $entity
             // Take first referenced vocabulary.
             $vid = reset($field->getSettings()['handler_settings']['target_bundles']);
             google_vision_file_entity_add_labels($entity, $field, $vid);
+
+            //Use a new taxonomy vocabulary to group the objects by their dominant color.
+            $new_vid = "dominant_color";
+            $name = "Dominant Color";
+            $vocabularies = \Drupal\taxonomy\Entity\Vocabulary::loadMultiple();
+            // Create a vocabulary if not already present.
+            if (!isset($vocabularies[$new_vid])) {
+              $vocabulary = \Drupal\taxonomy\Entity\Vocabulary::create(array(
+                'vid' => $new_vid,
+                'machine_name' => $new_vid,
+                'name' => $name,
+              ));
+              $vocabulary->save();
+            }
+            google_vision_file_entity_dominant_color($entity, $field, $new_vid);
           }
         }
       }
@@ -96,6 +111,52 @@ function google_vision_entity_bundle_field_info_alter(&$fields, EntityTypeInterf
 function google_vision_form_field_config_form_image_builder($entity_type, FieldConfigInterface $type, &$form, FormStateInterface $form_state) {
   $type->setThirdPartySetting('google_vision', 'safe_search', $form_state->getValue('safe_search'));
 }
+/**
+ * Add the terms to the corresponding taxonomy vocabulary and save the
+ * values in files.
+ */
+function google_vision_add_terms_to_vocabulary($file, $field, $vid, $labels) {
+  // Get existing values from field.
+  $values = $file->get($field->getName())->getValue();
+  $taxonomy_term_storage = \Drupal::entityTypeManager()->getStorage('taxonomy_term');
+
+  // Try to find an existing terms by these labels.
+  $query = \Drupal::database()->select('taxonomy_term_field_data', 'tfd');
+  $query->fields('tfd', ['tid', 'name']);
+  $query->condition('tfd.vid', $vid);
+  $query->condition('tfd.name', $labels, 'IN');
+  $existing_terms = $query->execute()->fetchAllKeyed();
+
+  // Handle retrieved labels.
+  foreach ($labels as $label) {
+    // Use existing term.
+    if ($existing_tid = array_search($label, $existing_terms)) {
+      $already_have = FALSE;
+          // If we already have this label in this field. Just skip.
+      foreach ($values as $value) {
+        if ($value['target_id'] == $existing_tid) {
+          $already_have = TRUE;
+        }
+      }
+          // Add existing label into field if we haven't it yet.
+      if (!$already_have) {
+        $values[] = ['target_id' => $existing_tid];
+      }
+    }
+        // Create new term and add into field.
+    else {
+      $label_term = $taxonomy_term_storage->create([
+        'name' => $label,
+        'vid' => $vid
+        ]);
+      $label_term->enforceIsNew();
+      $label_term->save();
+      $values[] = ['target_id' => $label_term->id()];
+    }
+  }
+  // Save collected values.
+  $file->set($field->getName(), $values);
+}
 
 /**
  * Try to get and add labels for the file entity.
@@ -112,46 +173,44 @@ function google_vision_file_entity_add_labels($file, $field, $vid) {
         $labels[] = $item['description'];
       }
 
-      // Get existing values from field.
-      $values = $file->get($field->getName())->getValue();
-      $taxonomy_term_storage = \Drupal::entityTypeManager()->getStorage('taxonomy_term');
-
-      // Try to find an existing terms by these labels.
-      $query = \Drupal::database()->select('taxonomy_term_field_data', 'tfd');
-      $query->fields('tfd', ['tid', 'name']);
-      $query->condition('tfd.vid', $vid);
-      $query->condition('tfd.name', $labels, 'IN');
-      $existing_terms = $query->execute()->fetchAllKeyed();
-
-      // Handle retrieved labels.
-      foreach ($labels as $label) {
-        // Use existing term.
-        if ($existing_tid = array_search($label, $existing_terms)) {
-          $already_have = FALSE;
-          // If we already have this label in this field. Just skip.
-          foreach ($values as $value) {
-            if ($value['target_id'] == $existing_tid) {
-              $already_have = TRUE;
-            }
-          }
-          // Add existing label into field if we haven't it yet.
-          if (!$already_have) {
-            $values[] = ['target_id' => $existing_tid];
-          }
-        }
-        // Create new term and add into field.
-        else {
-          $label_term = $taxonomy_term_storage->create([
-            'name' => $label,
-            'vid' => $vid
-          ]);
-          $label_term->enforceIsNew();
-          $label_term->save();
-          $values[] = ['target_id' => $label_term->id()];
-        }
+      //Add the terms to vocabulary, and set the values to fields in files.
+      google_vision_add_terms_to_vocabulary($file, $field, $vid, $labels);
+    }
+  }
+}
+
+/**
+ * Try to get the dominant color.
+ */
+function google_vision_file_entity_dominant_color($file, $field, $vid) {
+  $file_uri = $file->getFileUri();
+  if ($filepath = \Drupal::service('file_system')->realpath($file_uri)) {
+    $data = \Drupal::service('google_vision.api')->imageAttributesDetection($filepath);
+    // If we have retrieved labels.
+    if (!empty($data['responses'][0]['imagePropertiesAnnotation'])) {
+      foreach ($data['responses'][0]['imagePropertiesAnnotation']['dominantColors']['colors'] as $item) {
+        $red = $item['color']['red'];
+        $green = $item['color']['green'];
+        $blue = $item['color']['blue'];
+      }
+      //Create an array of the colors along with their values.
+      $color = array(
+        'red' => $red,
+        'green' => $green,
+        'blue' => $blue
+      );
+      if($red == $green && $green == $blue) {
+        $dominant_color = ['red', 'green', 'blue'];
       }
-      // Save collected values.
-      $file->set($field->getName(), $values);
+      else {
+        $max_value = max($red, $green, $blue);
+      //Get the dominant color based on the maximum value.
+        $dominant_color = array_keys($color, $max_value);
+      }
+      //Add the terms to vocabulary, and set the values to fields in files.
+      google_vision_add_terms_to_vocabulary($file, $field, $vid, $dominant_color);
+
+      $file->set('field_image_title_text', 'rgb(' . $red . ',' . $green . ',' . $blue . ')');
     }
   }
 }
diff --git a/google_vision.routing.yml b/google_vision.routing.yml
index ef3434c..b6274d3 100644
--- a/google_vision.routing.yml
+++ b/google_vision.routing.yml
@@ -5,3 +5,11 @@ google_vision.settings:
     _title: 'Google vision settings'
   requirements:
     _permission: 'administer google vision'
+
+google_vision.related_content:
+  path: '/node/{node}/relatedcontent'
+  defaults:
+    _controller: '\Drupal\google_vision\Controller\RelatedContentController::fetchContent'
+  requirements:
+    _permission: 'administer google vision'
+    node: \d+
diff --git a/src/Controller/RelatedContentController.php b/src/Controller/RelatedContentController.php
new file mode 100644
index 0000000..f5df8c7
--- /dev/null
+++ b/src/Controller/RelatedContentController.php
@@ -0,0 +1,73 @@
+<?php
+
+namespace Drupal\google_vision\Controller;
+
+use Drupal\Core\Entity\EntityInterface;
+use Drupal\Core\Controller\ControllerBase;
+use Drupal\Core\Url;
+use Drupal\node\Entity\Node;
+use Drupal\node\NodeTypeInterface;
+use Drupal\node\NodeInterface;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * Returns the related content based on dominant color of the images.
+ */
+class RelatedContentController extends ControllerBase {
+  /**
+   * Returns the list of node links which share the same dominant color.
+   */
+  public function fetchContent(NodeInterface $node) {
+    $node_id = $node->id();
+    //$current_node = Node::load($node_id);
+
+    //Get an array of just term ids.
+    $query = \Drupal::entityQuery('taxonomy_term');
+    $query->condition('vid', "dominant_color");
+    $tids = $query->execute();
+    $terms = \Drupal\taxonomy\Entity\Term::loadMultiple($tids);
+    $term_id = array_keys($terms);
+
+    // Get the file id associated with the node.
+    $query = \Drupal::database()->select('file_usage', 'fu');
+    $query->fields('fu', ['fid']);
+    $query->condition('fu.id', $node_id);
+    $file_id = $query->execute()->fetchField();
+
+    // Get the list of dominant colors per file.
+    $dominant_color = [];
+    foreach ($term_id as $key => $value) {
+      $query = \Drupal::database()->select('file__field_labels', 'ffl');
+      $query->fields('ffl', ['field_labels_target_id']);
+      $query->condition('ffl.entity_id', $file_id);
+      $query->condition('ffl.field_labels_target_id', $value);
+      $dominant_color[] = $query->execute()->fetchField();
+    }
+
+    //Get all the file ids which have one or more dominant colors in common with $dominant_color.
+    $query = \Drupal::database()->select('file__field_labels', 'ffl');
+    $query->fields('ffl', ['entity_id', 'field_labels_target_id']);
+    $query->condition('field_labels_target_id', $dominant_color, 'IN');
+    $file = $query->execute()->fetchAllKeyed();
+
+    //Get the respective nodes.
+    $nodes = [];
+    foreach ($file as $key => $value) {
+      $query = \Drupal::database()->select('file_usage', 'fu');
+      $query->fields('fu', ['id']);
+      $query->condition('fu.fid', $key);
+      $nodes[] = $query->execute()->fetchField();
+    }
+
+    $build = array();
+
+    foreach ($nodes as $key => $value) {
+      $build[$key] = [];
+      $build[$key] = [
+        '#type' => 'link',
+        '#url' => 'admin/node/' . $value,
+      ];
+    }
+    return $build;
+  }
+}
diff --git a/src/GoogleVisionAPI.php b/src/GoogleVisionAPI.php
index 4232e6c..7118e6c 100644
--- a/src/GoogleVisionAPI.php
+++ b/src/GoogleVisionAPI.php
@@ -338,7 +338,7 @@ class GoogleVisionAPI {
       'requests' => [
         [
           'image' => [
-            'content' => $encoded_imageьфшьть
+            'content' => $encoded_image
           ],
           'features' => [
             [
@@ -357,4 +357,4 @@ class GoogleVisionAPI {
     return FALSE;
 
   }
-}
\ No newline at end of file
+}