Accessible color palettes as the recommended default for OMA

[antagomir]

This would seem like a good option to recommend book-wide?

microshades: An R Package for Improving Color Accessibility and Organization of Microbiome Data DOI: https://journals.asm.org/doi/10.1128/mra.00795-22

"While there are several CVD-friendly color palettes, they are often insufficient for working with microbiome data. Here, we introduce microshades, an R package for creating CVD-accessible microbiome figures."