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. Author manuscript; available in PMC: 2011 Sep 15.
Published in final edited form as: Cartogr J. 2010 May 1;47(2):130–140. doi: 10.1179/000870409X12488753453372

Figure 8. Recommended colour schemes for representing the variable of interest in value-by-alpha maps.

Figure 8

The provided sequential, diverging, and qualitative colour schemes are derived from ColorBrewer.org. HSV, hexadecimal, and alpha values are provided for easy implementation. These schemes are shown using both a black and white modifying colour. Also provided is a visual weighting ranking system for evaluating custom value-by-alpha mapping colour schemes. (recommended size: 2 columns)