message: Set forcePageColors: true
diff: @@ -187,6 +187,7 @@ class LateXWorkshopPdfViewer implements ILatexWorkshopPdfViewer {
  standardFontDataUrl: '/standard_fonts/',
  workerPort,
  workerSrc: '/build/pdf.worker.js',
  + forcePageColors: true,
  ...color
  }
  PDFViewerApplicationOptions.setAll(options)
  