Digital Signage

Accessible Digital Signage

Digital signage is commonly used in hallways, lobbies, and other high-traffic areas to share announcements, events, wayfinding, and emergency messages. When signage is designed with accessibility in mind, more people—including individuals with visual, hearing, mobility, or cognitive disabilities—can access and understand the information being displayed.

Accessible digital signage also improves usability for everyone by making messages clearer, easier to read, and easier to navigate.

Accessibility Standards and Responsibilities

Accessible digital signage should follow recognized accessibility standards such as WCAG 2.1 Level AA, which provide guidance for making digital content usable for people with disabilities.

Anyone who creates, edits, or manages signage content shares responsibility for ensuring it is accessible. This includes departments, communication teams, and individuals who design or publish content.

Accessible design not only helps institutions comply with legal accessibility requirements, but also ensures equal access to important information across campus or public spaces.

Best Practices for Accessible Digital Signage

1. Use Clear, Readable Text

Text should be easy to read from the intended viewing distance.

Recommendations:

  • Use simple sans-serif fonts such as Arial, Helvetica, or Verdana.
  • Avoid decorative fonts, excessive italics, or all-caps text.
  • Ensure text is large enough to be read from a distance.
  • As a guideline, use approximately 1 inch of letter height for every 10 feet of viewing distance.

Clear typography helps people with low vision, cognitive disabilities, and those viewing screens from a distance.

2. Provide Strong Color Contrast

Text must stand out clearly against its background.

Guidelines:

  • Maintain at least 4.5:1 contrast ratio for standard text.
  • Maintain 3:1 contrast ratio for large text.
  • Use light text on dark backgrounds or dark text on light backgrounds.
  • Avoid placing text over busy images or patterned backgrounds.

High contrast improves readability for users with low vision or color-blindness.

3. Keep Messages Short and Easy to Scan

People often view digital signs while walking or passing by.

Best practices include:

  • Limit text so viewers can read it within 10–15 seconds.
  • Use plain language and avoid complex terminology.
  • Break content into short sections or bullet points.
  • Avoid overcrowding slides with too much information.

Concise messaging improves comprehension and ensures viewers have enough time to read the content.

4. Allow Enough Time to Read Content

Slides should remain visible long enough for users to read them comfortably.

General guidelines include:

  • Allow roughly one second per word displayed.
  • Keep slides visible for at least 5–10 seconds for simple messages.
  • Avoid fast transitions between slides.

This helps viewers with cognitive disabilities or slower reading speeds.

5. Avoid Flashing or Rapid Animations

Flashing or strobing visuals can trigger seizures in individuals with photosensitive epilepsy.

Recommendations:

  • Do not include flashing elements more than three times per second.
  • Avoid rapid animation or flickering transitions.
  • Use motion sparingly and only when necessary.

Simple and stable visuals are easier for everyone to process.

6. Make Multimedia Accessible

If signage includes videos, audio, or animations, ensure that the information is accessible.

Best practices include:

  • Provide closed captions for all video content.
  • Include audio descriptions for important visual information when possible.
  • Avoid autoplaying audio in public spaces unless necessary.

Captions and audio descriptions ensure content is accessible to people who are deaf, hard of hearing, or visually impaired.

7. Provide Alternative Ways to Access Information

Digital signage should not be the only way users receive critical information.

Consider providing:

  • Links to accessible web pages
  • Email announcements
  • Printed materials
  • QR codes or short URLs that allow users to access content on their own devices

Providing alternate formats ensures that everyone can access the same information.

8. Ensure Accessible Placement of Displays

Where and how a screen is installed can affect accessibility.

Guidelines include:

  • Mount screens at accessible viewing heights (approximately 48–60 inches to center).
  • Ensure visibility from wheelchair height.
  • Maintain clear floor space for wheelchair users.
  • Avoid glare from windows or bright lights.

Proper placement ensures signage can be viewed comfortably by a wide range of users.

Tools and Resources

When creating digital signage content, accessibility tools can help identify potential barriers.

Examples include:

  • Built-in accessibility checkers in design software
  • WCAG color contrast checkers
  • Captioning tools for video content

These tools help ensure that content meets accessibility guidelines before it is published.

Key Takeaway

Accessible digital signage benefits everyone. By designing content that is readable, understandable, and inclusive, organizations can ensure that important information reaches the widest possible audience while meeting accessibility standards.