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Color and readability

Graphics or buttons are hard to see

Lines, icons, chart parts or form borders are too faint against their background.

Who it affects

People with low vision or color blindness.

Why it matters

If you can't see a chart line or a form box, you can't use the information or fill in the form.

How to fix it

  1. Make important lines, icons and borders darker or thicker.
  2. Change the colors in the original file, then create the PDF again.

What RemeDocs does

This depends on the design, so it has to be changed in the original file.

Go further

Check your own PDF

Upload a PDF to the free checker. It lists every problem it finds in plain language, with a lesson like this one for each.

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