Readability: High contrast improves readability for everyone, including those with low vision.
Branding: Consistent use of colour enhances brand recognition.
Accessibility: Ensures that your emails are inclusive and can be read by people with various visual disabilities.
Engagement: Better readability and accessibility can lead to higher engagement rates.
Pick a tool: There are various online tools and browser extensions available. Some popular ones include the
WAVE Tool and
Colour Contrast Checker.
Identify your colours: Determine the foreground (text) and background colours in your email.
Input the colours: Enter the colour values (hex codes) into the analyser.
Check the results: The tool will provide a contrast ratio and indicate whether it meets the WCAG standards.
Adjust if necessary: If the contrast ratio is insufficient, adjust your colours until you achieve compliance.
Best Practices for Colour Contrast in Email Marketing
To ensure your emails are accessible and visually appealing, follow these best practices: Test early and often: Use a colour contrast analyser during the design phase to avoid last-minute changes.
Consider all elements: Check the contrast for all text, buttons, and links within your email.
Account for colour blindness: Use tools like
Sim Daltonism to simulate different types of colour blindness and ensure readability.
Use high-contrast colours: Black text on a white background is a safe and effective choice.
Be mindful of branding: Ensure that any colour adjustments still align with your brand guidelines.
Common Mistakes to Avoid
Here are some common pitfalls to avoid when working with colour contrast in email marketing: Ignoring contrast ratios: Always check the contrast ratio, even if the colours look good to you.
Over-relying on colour: Don’t use colour alone to convey important information. Use text or icons as well.
Not testing on multiple devices: Colours can appear differently on various screens. Test on multiple devices.
Forget about dark mode: With many users now using dark mode, ensure your emails are readable in both light and dark themes.
Tools and Resources
Here are some useful tools and resources for checking colour contrast: