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Modifications: recoloured for colour-blind accessibility, made all borders black, as different border types are irrelevant to the four-colour theorem being illustrated.
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This image relies, or partly relies, on colours convey information. The colors used have been chosen to remain visually distinct even to viewers with
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This colouring is not the only way to four-colour the map: for example, Florida could be orange.
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This graphic uses a colour palette accessible to colour blind people.
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A map of the United States showing four colors. According to the
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482:media type
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622:(126 KB)
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335:Captions
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
