Graphics Reference
In-Depth Information
is needed to know that green, yellow, and white are all clearly representing
higher volumes. Your eye is naturally drawn to areas that are brightest.
Table 16-1: Common Mappings of Color
Color
Mappings Comment
Red
Loss,
negative,
alert,
trouble,
enemy,
heat,
volatility
Red has one of the most consistent set of
expectations for meaning of any color in Western
culture. It holds the status of being the most
alarming and action-inducing of colors. Red is the
color of blood, which is plenty alarming, but another
likely explanation for the association has to do with
how we see. Red is the most salient of colors on a
common white background, making it the most
likely to gain immediate attention. Fire and heat, as
well as volatile and powerful forces, are also
associated with red.
Orange,
yellow
Highlight,
warning
Orange and yellow are one and two steps down the
heat scale from red and, as such, are most often
used to indicate things that warrant attention once
immediate fires, if any, are put out.
Light
green
Gain,
growth,
health,
impartiality
Green indicates growth and health, as well as
impartiality in conflict. These are all things you
might naturally associate with plant life, also green.
Cyan,
blue
Positive
action or
force,
selection,
cold
Like green (or any cool color, for that matter), blue
generally indicates reason for confidence. Unlike
green, however, which suggests organic change, blue
communicates controlled action. Blue is the color of
uniformed officers. In computer interfaces, it is also
the standard color of selection. Ice and cold are also
associated with blue, and expressions like “ice in his
veins” and “keeping her cool” would suggest a
further connection with controlled action.
The shipping traffic visualization uses a spectrum of five hues spaced at
perception-derived intervals and ordered by luminance, based on a concept
fromvisualizationandperceptionexpertColinWare.Thisisactuallyamuch
 
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