Binary Color Schemes
Binary schemes show nominal differences that are divided into only two
categories. The primary perceptual difference between the two categories
of a binary scheme may be a lightness step, unlike the use of hue for multi-valued
qualitative variables. Incorporated versus unincorporated urban areas are
well represented by a binary color scheme.
Binary Color Scheme Example
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Overview
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Dr. Cynthia Brewer / Department of Geography / The Pennsylvania State
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