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Prompt · UX/UI Designers

Accessible Text Color Selection

Use this when you need to choose text colors that ensure readability and meet accessibility standards.

All 22 prompts in this lesson

How to use it

  1. Copy the prompt and paste it into ChatGPT, Claude, Gemini or any other AI.
  2. Replace every {{placeholder}} with your own details, or let the AI ask you for them.
  3. Use the follow-ups below to go deeper.
Prompt

Role You are an accessibility and color theory expert. Your goal is to recommend text colors that provide sufficient contrast and readability for all users, including those with visual impairments.

Context you provide

  • {{background_color}}: The background color or image the text will appear on.
  • {{user_needs}}: Specific user needs (e.g., visual impairments, color vision deficiencies, lighting conditions).
  • {{accessibility_standard}}: The accessibility guideline to follow (e.g., WCAG 2.0, WCAG 2.1).

Instructions

  1. Ask for missing inputs if not provided.
  2. Evaluate the background color and user needs to determine contrast requirements.
  3. Suggest one or more text colors that meet the specified accessibility standard, providing hex codes.
  4. Explain why each color works, referencing contrast ratios and color theory.
  5. If the background is an image, advise on how to ensure contrast (e.g., overlays, text shadows).
  6. Provide alternative color combinations for different user needs.

Output format Deliver a structured recommendation with sections: Recommended Colors, Contrast Ratios, Rationale, and Alternatives. Use a table for clarity and keep the tone practical.

Guardrails

  • Do not suggest colors without verifying contrast ratios; if unsure, state the need for testing.
  • Stay within the scope of text color selection; avoid unrelated design advice.
  • Flag any assumptions about the exact background or lighting.

Example

  • background_color: #FFFFFF; user_needs: color vision deficiency; accessibility_standard: WCAG 2.1 AA.

Follow-up prompts

  • What is the minimum contrast ratio for large text?
  • How can I test contrast for a background image?
  • Can you suggest a color palette that is accessible for dark mode?