Day 13: Visual Aids and Accessible Images

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Learning Objective

Create accessible visual aids and write effective alt text.


Transcript - English
Transcript - Sinhala
Transcript - Tamil

Resources

These links are provided for information only and may lead to optional downloads or paid services, with absolutely no obligation to download or purchase.

  • W3C's "Images and Captions" Guide: This guide explains the importance of providing alt text and captions for images, ensuring that non-text content is perceivable for everyone. 

  • WebAIM's "Alternative Text" Article: A detailed article on how to write effective alt text, providing examples of good and bad descriptions for various types of images. 

  • Contrast Checker Tools: Numerous free online contrast checkers can help you ensure the text on your slides and documents is readable against the background colour.
Last modified: Wednesday, 22 October 2025, 7:28 AM