user interface design by applying theories of aesthetics - Theseus

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• Law of Closure. Group the figures that are closed, and if the figure is not
complete, from human eyes, the figure is filled in automatically by mind.
• Law of Prägnanz (Figure and Ground). Human eyes differentiate the
object based on the background (Gestalt Theory of Visual Perception).
Tuck (2010) indicated that the use of Gestalt laws could enhance usability of
website since all the elements on the webpages are well organized and grouped,
user may find information and browsing more effectively. One of the examples
Tuck (2010) suggested that law of Proximity, for instance, could be adopted on
site navigation, groups the links together not only externally but also internally
(see Figure 12).
Figure 12: Law of proximity on website navigation (picture from
http://www.skialpine.com/)
These principles are very applicable for GUI design on website since the idea of
those principles are try to provide the user a better visual and understanding about
the interface and could read and find information fast and accurately.
3.3.3 Colour Theories
Noack (2010) claimed that the most important factor in any design is the colour
choices the designer made. For a website, designers create its layout style, the
functional effect and all the compositions, the essential finish touch mostly based
on its colour. Holzschlag (2001) also agreed that the colour illustrated on websites
is different from the arts or an object, the colour appears on websites can show