Design for Easy Use
S.Gopinath
Department of Physical Science
Vavuniya Campus,
University of Jaffna,
Sri Lanka
Three Categories
• Colour
• Space
• Typography
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Check the Colours for Colour Blind
Visitors
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Colours
• Work with your brand colours.
• Use light on dark sparingly.(reverse Type)
• Keep the background clear.
• Keep the contrast high
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Reverse Type
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Keep the background clear
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Keep the contrast high
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Space
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Six Guidelines
• Create consistent patterns.
• Alignment on a grid.
• Keep active space in your content.
• Beware of false bottom.
• Don’t let headings float.
• Don’t center text.
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Keep active space in your content
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Don’t let headings float
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Don’t Center text
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Typography
• Set a legible sans serif font as the default
• Make the default text size legible for your
visitors
• Set a medium line length as the default
• Don’t write all capitals
• Underline only links
• Use italics sparingly
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Serif & Sans Serif
• Sans serif fonts: Arial, Tahoma, veranda
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• Researchers who work with low-vision readers
recommend familiar sans serif fonts for both
paper and web.
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Make the default text size legible for
your visitors
• you have to write fewer words or make the
type smaller.
• good reason to let go of words and focus on
your key messages.
• If the type is too small, people won’t read
what you wrote.
• Write less. Use type large enough for your site
visitors to read easily.
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Set a medium line length
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• Long lines are tiring to read.
• Lines are too short, people don’t get whole
phrase.
• Medium line length 50 to 70 characters or 8 to
10 words.
• Set your text to be fluid (liquid layout)
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Don’t write in all capitals
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Guidelines
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Underline only links
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Use italic sparingly
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Design for easy use