Use of Color to Convey Meaning

Map with red squares showing new and blue squares showing future construction sites

In the above map, a person who is color-blind may not be able to discern the difference betwen new construction sites (with red squares) and future construction sites (with blue squares). The changes shown below make this map more accessible to more people.

Map with red stars showing new and blue squares showing future construction sites

In this second version of the map, two different shapes are used to indicate the different types of sites. Red stars are used for new sites and blue squares are used for future sites.

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