diff --git a/src/acfadapters/ColorPicker.php b/src/acfadapters/ColorPicker.php
index c720ac5..e4a8027 100644
--- a/src/acfadapters/ColorPicker.php
+++ b/src/acfadapters/ColorPicker.php
@@ -25,7 +25,7 @@ public function create(array $data): FieldInterface
     {
         $field = new Color();
         if ($data['default_value']) {
-            $field->defaultColor = $data['default_value'];
+            $field->defaultColor = strtolower($data['default_value']);
         }
         return $field;
     }
diff --git a/src/generators/fields/Color.php b/src/generators/fields/Color.php
index 602353a..aca1e07 100644
--- a/src/generators/fields/Color.php
+++ b/src/generators/fields/Color.php
@@ -33,7 +33,7 @@ protected static function create(): FieldInterface
         $presets = [];
         foreach ($command->wpInfo['color_palette'] as $palette) {
             foreach ($palette as $paletteColor) {
-                $presets[$paletteColor['color']] = true;
+                $presets[strtolower($paletteColor['color'])] = true;
             }
         }
         $field->presets = array_keys($presets);