Graphics Reference
In-Depth Information
Figure 5-9:
Uniquely distinguishable colors are useful for differentiating
categories.
Figure 5-10
shows the top 4 levels of a Fortune 500 company's
organizational chart with 12 different job categories color-coded. Executives
are in yellow in the hub of each cluster. Engineers are in cyan,
predominantly in the upper-left cluster, and the blues are administrative
roles (including finance, tax, real estate, facilities, construction, and so on).
The administrative roles tend to have a few people in almost every cluster.
Figure 5-10:
This hierarchy of a Fortune 500 company is color-coded by
job category (for example, engineers in cyan and administration in blue).
Color Blindness
One extra challenge with color is creating palettes that are effective for
color-blind people. About 1.3 percent of the population has a form of
red-green color blindness.
Vischeck.com
provides a quick means to
transform a color image into what it looks like for someone with different
