Colour Theory and Usability

Colour Theory and Usability

Colour has a predictable and quantifiable physiological effects that influences our perception and our behaviour.

Red gives a sense of importance, normally used to draw attention.

Blue is considered to give emotions such as trust, safe and relaxation.

Green the colour of nature, evokes an impression of health.

Yellow is warm and energising.

Types of colour palettes

MONOCHROMATIC

TRIADS

ANALOGOUS

COMPLEMENTARY

SPUT-COMPIIMENTS

How colour can impact usability

Colour has a significant impact in creating distinction between elements

Inclusive and accessiblity - limited vision and colour blindness

You can't always trust colour

Tips for designing for colour blindness

1. Don't only rely on colour to convey a message
2. Keep your colour palette limited to 2 or 3 colours
3. Use texture and patterns to show contrast
4. Carefully select any contrasting colours and shades
5. Avoid 'bad' colour combinations

There are many useful apps to help for designing for color blindness:

• http://www.mobdevapp.com/ iphone- and-android-app-developed-to- help- individuals-with-colorblindness/
• Color Blindness Simulate Correct
• Dankam

Thanks for reading