Infographics
Infographics are a secondary element. It’s rules are recommended to include in your digital product.
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High contrast graphic elements such as infographics, are a highly suggested universal design feature. High contrast icons push functionality, readability, and almost always looks more robust on a page. There are varying kinds of infographics such as pie charts, radial charts, lists, statistics, timelines, comparisons, maps, flows and process infographics.
You can test your contrast ratio here: https://webaim.org/resources/contrastchecker/
Summary Points:
Check the contrast for all infographics
If a brand has a particular set of colorways, adjust the darkness of the colors for these brand colors
Low contrast is poor design and poor universal design
Contrast should be 3:1 ratio
Contrast should remain constant even in an animated or live fluctuating state
Infographics should have accompanying text explaining their purpose
Horizontal bar graphs should run left to right
Radial Graphs should always begin at a 12 o’clock midnight position
Vertical Graphcs should always run top to bottom
Minimum infographic stroke size should be 22 point