a11yviz

Makes charts and documents accessible across plotnine, plotly, and Quarto in Python, aligned with the Web Content Accessibility Guidelines (WCAG 2.1). Includes WCAG-tagged palettes, alt-text scaffolds, audits, a document rubric, heading and reading-level checks, shiny ARIA helpers, and a stylesheet.

R version: a11yviz.

Installation

pip install a11yviz

Quick start

from plotnine import aes, geom_point, ggplot, labs
from plotnine.data import penguins
import a11yviz

p = (ggplot(penguins.dropna(),
            aes("flipper_length_mm", "body_mass_g",
                color="species", shape="species"))
     + geom_point()
     + a11yviz.scale_color_a11y("dark2_8")
     + labs(x="Flipper length (mm)", y="Body mass (g)"))

a11yviz.a11y_alt_text(p, "Scatter of penguin body mass vs flipper length by species.")

Citation

Shin, M. (2026). a11yviz: Accessibility toolkit for ggplot2, plotly, and Quarto (R package version 0.1.8). https://mshin77.github.io/a11yviz

Shin, M. (2026). a11yviz: Accessibility toolkit for plotnine, plotly, and Quarto (Python package version 0.1.8). https://github.com/mshin77/a11yviz-py