Summarising the PARC Principles

Don’t be afraid to create your design with plenty of blank space. Also make sure you have┬áplenty of white space between elements and visual units. Don’t be afraid to make words very large or very small. Don’t be afraid to speak loudly or to whisper. Contrast is an essential element of good design. Don’t be afraid to be asymmetrical, to […]

Principles of User Interface Design

PARC principles – four basic principles do UI design: Proximity Alignment Repetition Contrast Proximity Group related items together – one cohesive, visual unit. Non-related items should not be grouped together – causes confusion. If more than 3 to 5 items on page, try to group elements. Don’t spread separate elements around corners or middle of page. Check page visually, where […]

Navigation

Design documentation – Navigation Chart and Storyboard Design documentation – includes variety of techniques including: navigation charts storyboards Techniques provide common understanding of development needs. Captures views of both clients and developers. Show organisation and structure of content. Navigation types Four main navigation types: Linear Navigate sequentially Build knowledge Example of user: Training materials Non-linear Navigate freely No pre-determined routes […]

Main Criteria for User Interface

Consider following when designing user interface: Navigation Do not get lost Consistency Help facility to guide Content Educational Entertaining Promotional Informational Look and Feel Colours to suit brief and create right mood Visually appealing Layout Uncluttered Clear Intuitive Clients/Users Meet expectations More specific users are, easier to target material and delivery. Define users What do they want? How can it […]

User Interface is Important

Website interface must be chosen carefully. Reflection of company. Users make judgement of company based on experience of website. Needs to create right emotion. Loyalty different on the web. Easy to click to competitors web site. Judgement made in first three to seven seconds. Website needs to reflect same brand as per other media types. Information needs to be accessible […]

Colour Blindness

Inability or reduced ability to see colours/colour differences under normal light conditions. About 8% of men and 0.4% of women suffer. Most common in red-green area. Complete colour blindness resulting in only black & white affects only 0.00001% of both genders. Mostly an inconvenience. Can be restrictive, i.e. aircraft pilots need perfect colour vision. Consider colour blindness when defining colour […]

Psychology of Colour

Colours can have an impact on one’s psychology: Positive courage strength warmth energy basic survival ‘fight or flight’ stimulation masculinity excitment Negative defiance aggression visual impact strain violence Movement of colour, if used appropriately, can be effective. e.g. stare at a moving optical illusion and then at a static image.

Colour Scheme

Monochromatic Single hue and it’s varying tints and shades. Analogous In addition to a single hue, it uses adjacent hues. Complementary Uses two hues opposite each other. Split Complementary Single hue and two colours adjacent to the complement. Split complimentary colour wheel Triadic Three colours equally spaced around the wheel. Tetradic Two complimentary colour pairs.

Use of Colours

Tint of a colour made by adding white. Shade of a colour made by adding black. If two colours are opposite (on a colour wheel), they are considered complimentary, e.g. red and green. This blog post by Nancy Mitchell discusses complimentary colours in the context of decorating an apartment.