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These color tables should help editors choose accessible backgrounds matching various color schemes. The first table contains WCAG AAA compatible for 14 different hues, plus grey and brown. In each row, the "base color" is the simplest representation of the hue.
ColorBrewer is an online tool for selecting map color schemes based on palettes created by Cynthia Brewer. [1] It was launched in 2002 by Brewer, Mark Harrower, and The Pennsylvania State University. Suggested color schemes are based on data type (sequential, diverging, or qualitative).
This template implements an accessible color scheme for text backgrounds based on a light Brewer palette called Pastel 2. The generated color code is used in {{CellCategory}} and can be used as a parameter for legends, boxes and others. Original colors were lightened slightly to achieve WCAG AA with text and links (including inline citations ...
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To use a colour in a template or table you can use the hex triplet (e.g. #CD7F32 is bronze) or HTML color name (e.g. red).. Editors are encouraged to make use of tools, such as Color Brewer 2 to create Brewer palettes, listed at MOS:COLOR for color scheme selection used in graphical charts, maps, tables, and webpages with accessibility in mind for color-blind and visually impaired users.
Color Brewer 2.0 provides color-blind-friendly color schemes for maps. Light qualitative color scheme provides a set of nine colors that work well for color-blind users and black text labels. There are some tools for simulating color-blind vision: Toptal ColorFilter (webpage analysis) and Coblis Color-blindness Simulator (local file
The first web accessibility guideline was compiled by Gregg Vanderheiden and released in January 1995, just after the 1994 Second International Conference on the World-Wide Web (WWW II) in Chicago (where Tim Berners-Lee first mentioned disability access in a keynote speech after seeing a pre-conference workshop on accessibility led by Mike Paciello).
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