public function getCampaignPalette(NodeInterface $node) {
    $palette = [];
    $campaign = $this->getNodeCampaignNode($node);
    $scheme_id = $campaign->get('field_campaign_palette')->getString();
    $color_info = color_get_info(OPENY_THEME);
    if (!empty($color_info['schemes'][$scheme_id])) {
      $palette = $color_info['schemes'][$scheme_id];
    }
    return $palette;
  }