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Teaching and Mentoring

Make teaching material work without colour alone

Find information communicated only by colour.

  • Time: Not specified
  • Cost: Not specified
  • Impact: Not specified
  • Difficulty: Not specified
  • Evidence not rated

Done when

Distinguish information using text or symbols.

Find information communicated only by colour.

Who this is for

For colour-coded answers, status or categories.

Why this matters

Meaning has another cue when colours cannot be distinguished.

How to do it

Guidance compiled from the references below; follow the applicability notes for this item.

  1. Find information communicated only by colour.
  2. Add text, shapes or explained patterns.
  3. Inspect in greyscale and check that instructions remain distinguishable.

Evidence and references

  • Other
    Understanding SC 1.4.1: Use of Color(Opens in a new tab)W3C WAIMeaning should not be conveyed by colour alone; text, shape or other visible cues are alternatives. A greyscale check is an editorial exercise, not complete accessibility certification. อ่านประกอบการเรียบเรียง / Accessed: 2026-10-05

Last reviewed: · Version 2

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