📦 Meta issue for Accessibility project

Is your feature request related to a problem? Please describe.
Charts should be made accessible from users with disabilities.

Describe the solution you'd like
The chart should provide:

• alternative text
• keyboard navigation
• fill patterns

Describe alternatives you've considered
Here are some reference links to accomplish that:

Alternative text:

• https://medium.com/nightingale/writing-alt-text-for-data-visualization-2a218ef43f81

Chart accessibility

• https://www.highcharts.com/blog/post/best-chart-accessibility-practices/
• https://www.elsevier.com/connect/making-charts-accessible-for-people-with-visual-impairments
• https://www.a11ywithlindsey.com/blog/accessibility-d3-donut-charts
• https://www.benjystanton.co.uk/blog/a-plan-for-accessible-charts/
• Doug Schepers - Invisible Visualization https://www.youtube.com/watch?v=f4P6JsAKrDM
• useR! International R User 2017 Conference Interactive graphs for blind and print disabled people
• https://www.youtube.com/watch?v=-oohdBWsESQ&feature=emb_logo&ab_channel=ICSE

Canvas accessibility

• https://www.w3.org/Talks/2014/0510-canvas-a11y/#1
• https://developer.paciellogroup.com/blog/2015/02/html5-canvas-sub-dom/
• https://developer.mozilla.org/en-US/docs/Web/API/Canvas_API/Tutorial/Hit_regions_and_accessibility

Additional context

• General info on data visualization accessibility: https://equalentry.com/data-visualization-tips-for-making-complex-graphical-content-accessible-to-all-accessibility-nyc-meetup-recap/

• dataviz A11y https://github.com/dataviza11y/resources

• What we can learn from Apple's dataviz accessibility by Sarah L. Fossheim

• How (not) to make accessible data visualizations, illustrated by the US presidential election. by Sarah L. Fossheim

• An introduction to accessible data visualizations with D3.js by Sarah L. Fossheim

• An intro to designing accessible data visualizations by Sarah L. Fossheim

• Writing Alt Text for Data Visualization

• Why Accessibility Is at the Heart of Data Visualization

• How Does This Data Sound?

Kibana Cross Issues

• (Accessible) High Data Volume Bar Chart kibana#36386
• Colorblind Mode for Kibana Visualizations kibana#10726
• Method to get data from canvas elements charts kibana#22142
• Accessibility: Make charts screen-reader-accessible kibana#11842
• [KEYBOARD]: Additional chart data should be available by mouse hover and keyboard navigation kibana#117540
• (Accessibility) Graphs - Keyboard accessibility kibana#75206

Checklist

• this request is checked against already exist requests
• every related Kibana issue is listed under Kibana Cross Issues list
• kibana cross issue tag is associated to the issue if any kibana cross issue is present

Phasing

• WCAGA Accessibility WCAG Level A #621