(Accessibility) Colorblind friendly color ramps: text only option or hover hints ie: light red to dark red

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(Accessibility) Colorblind friendly color ramps: text only option or hover hints ie: light red to dark red #64969

Open balt311 opened 4 years ago

balt311 commented 4 years ago

Describe the feature: At least in ElasticSearch Maps, the color ramps when making a choropleth polygon map based on a field value currently only show the color ramp visual. Describe a specific use case for the feature: It would allow for the colorblind to know what colors they are choosing by providing a text description. Capture

elasticmachine commented 4 years ago

Pinging @elastic/kibana-gis (Team:Geo)

thomasneirynck commented 4 years ago

thanks you @balt311

Would it say something like "green to red" or "blue gradient"?

Do you have any examples of how this is done in other tools?

jsanz commented 4 years ago

Few examples on how this works in other tools, only QGIS (desktop tool) provides texts

QGIS

For some palettes, it uses ColorBrewer palette abbreviations like PuOr for Purple to Orange or YlGn for Yellow to Green. Not really user friendly.

2020-05-06-080928_4480x1440_scrot

CARTO

No palette names. Internally ColorBrewer names are used apart from their original palettes.

2020-05-06_08-12

ArcGIS Online

No palette names

2020-05-06_08-15

Datawrapper

No palette names

2020-05-06_08-22

elasticmachine commented 1 year ago

Pinging @elastic/kibana-presentation (Team:Presentation)