What is Sufficient Color Contrast?
Sufficient color contrast refers to the difference in
lightness and
darkness between text and its background. The Web Content Accessibility Guidelines (WCAG) recommend a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text. This ensures that the text is legible for people with visual impairments.
Tips for Ensuring Sufficient Color Contrast
Choose high-contrast color pairs: Opt for combinations like black text on a white background or dark blue text on a light grey background.
Avoid using similar colors: Colors that are too similar in lightness can make text hard to read. For example, avoid using light grey text on a white background.
Use bold fonts: Bolding text can help increase readability, especially for smaller font sizes.
Test your emails: Always test your emails with different email clients and devices to ensure that your color contrast is consistent and sufficient.
Common Mistakes to Avoid
One common mistake is using
low-contrast color combinations that look aesthetically pleasing but are hard to read. Another mistake is ignoring how colors appear on different
screens and devices. Always remember that what looks good on your monitor might not be readable on a mobile device.
Benefits of Sufficient Color Contrast
Ensuring sufficient color contrast makes your emails more
accessible to a wider audience, including those with visual impairments. It also improves the overall readability and
user engagement, leading to better click-through rates and conversions. Additionally, it helps you comply with
accessibility standards, which can enhance your brand's reputation.