Digital Colour in Graphic Design

Summary

A few readers may be old enough to remember sitting in the darkness of a cinema auditorium watching the original screening of the Wizard of Oz in which Dorothy, the young heroine played by Judy Garland, is knocked unconscious as the family house is struck by a tornado. The opening sequences leading up to this event were filmed in black and white and then, as Dorothy, still unconscious, begins to dream, suddenly the images on the screen transform into dazzling Technicolor. For me, as a child, this film encapsulated the magical quality of colour, as Dorothy set off, not along a pale grey brick road, but along a bright yellow brick road, in search of the magical land of Oz.

For most of us, who just take colour for granted, it is hard to ...