Color and graphics:
Histogram bin width:
Dr Cindy Brewer, of Penn State University, has developed these
color schemes for the Digital
Government: Quality Graphics project. They include very
useful information on visibility for the color-blind, suitability for
photocopying, for cheap color printers, and for digital projection.
- Vischeck has tools to
evaluate images for visibility with red-green color-blindness, and to modify images to improve
has many articles on the use of color on screen and on paper.
- This applet
shows the effect of varying the bin width in a histogram.