What are some tools for evaluating color contrast?

Here are some popular tools for evaluating color contrast:

1. **WebAIM Contrast Checker**: This online tool allows you to enter a foreground and background color to determine their contrast ratio. It also provides a visual representation of the colors and indicates whether they meet the minimum contrast ratio requirements set by accessibility guidelines, such as the Web Content Accessibility Guidelines (WCAG).

2. **W3C's Color Contrast Analyzer**: This is a free, open-source tool available for Windows, macOS, and Linux that allows you to analyze the color contrast of text and graphical elements on your screen. It provides a detailed report on contrast ratios and offers suggestions for improving accessibility.

3. **Stark Contrast Checker**: This is a Sketch and Figma plugin that enables designers to check color contrast directly within their design tools. It provides real-time feedback on contrast ratios and supports various accessibility standards, including WCAG and the ADA (Americans with Disabilities Act).

4. **Contrast Ratio**: This is a web-based tool that calculates the contrast ratio between two colors. It offers a simple interface and supports various color formats, including hexadecimal, RGB, and HSL.

5. **Color Safe**: This online tool helps designers create accessible color palettes by generating color combinations that meet WCAG contrast ratio requirements. It allows you to specify the text size and background color and provides a range of accessible color options.

6. **Accessible Brand Colors**: This is a web-based tool that helps designers create accessible color palettes by generating color combinations that meet WCAG contrast ratio requirements. It allows you to input your brand colors and provides a range of accessible color options for text, buttons, and backgrounds.

7. **Toptal's Color Contrast Checker**: This is a simple, easy-to-use online tool that calculates the contrast ratio between two colors. It provides a visual representation of the colors and indicates whether they meet WCAG contrast ratio requirements.

By using these tools, designers can ensure that their color choices meet accessibility guidelines and are easily readable by users with visual impairments.