A method is reported which enables designers to colour code computer displayed
information into a perceptual hierarchy in much the same way as visual layering effects are
achieved in cartography. Principles of colour perception and cartography are used to derive
palettes of colours. The colours within these palettes are used to code screen based
information such that elements of the display most relevant to the user's task appear more
conspicuous and nearer than less task relevant information. The application of this method …