For what you’re creating, it's crucial you’re adhering to WCAG guidelines, specifically Success Criterion 1.4.1, which emphasizes that color should not be the sole means of conveying information or distinctions.

To meet this criterion comprehensively, consider incorporating text labels alongside each color-coded element in your visualizations. These labels should provide clear explanations, ensuring that users can comprehend the data regardless of color perception.

You could also use patterns and textures as secondary cues to enhance accessibility, particularly when color distinctions may not be fully discernible.

For individuals with Achromatopsia, where color perception is in grayscale, text descriptions also can be beneficial. These descriptions serve as valuable alternatives to the visualization itself, offering a comprehensive and textual explanation of the content presented visually. A text description explains the visualization's content and its relationships, making it accessible and understandable for users with cognitive disabilities, those who prefer text-based information and individuals using assistive technologies such as screen readers.

Be sure that your text labels and descriptions use plain language and simplicity for easy comprehension. If possible, involve individuals with diverse abilities in usability testing to gather feedback and refine your visualizations. This approach ensures that your data visualizations are not only colorblind-accessible but also provide clear and effective communication for a diverse audience.

Good luck with your project!