public function editor_custom_color_variables() {
    wp_enqueue_style(
      'twenty-twenty-one-custom-color-overrides',
      get_theme_file_uri( 'assets/css/custom-color-overrides.css' ),
      array(),
      wp_get_theme()->get( 'Version' )
    );

    $background_color = get_theme_mod( 'background_color', 'D1E4DD' );
    if ( 'd1e4dd' !== strtolower( $background_color ) ) {
      wp_add_inline_style( 'twenty-twenty-one-custom-color-overrides', $this->generate_custom_color_variables( 'editor' ) );
    }
  }