3.2. Make sure that information is comprehensible, even if the colours are absent

Information must not be conveyed solely by colour.

In this first version, the information in the pie chart
can only be understood by associating each segment with a colour.
While this second version of the same pie-chart
is comprehensible even if the colours are absent.

In this first example, squares of different colors are used for the legend.
Information is conveyed only by this means.
While in this version, the color squares have been replaced by pictograms.
This makes the information understandable even in the absence of colors.

In this first example of a navigation menu, information regarding the current position (“Newsletter”) is only conveyed by a change in the background color.
While in this version, the addition of a downward pointing arrow makes the information understandable even in the absence of colors.

In this first example of a navigation menu in a carousel, information regarding the current chip is only conveyed by a color change.
While in this version, the narrowing of the current chip makes the information understandable even in the absence of colors.

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Updates

17 October 2019
Added examples of the navigation menu and navigation system in a carousel.

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