This guide should ensure that colour on the Web looks perfect, no matter what type of machine is displaying it, blending together the importance of considering design and the technical know-how to reproduce ideas. Starting with a focus on colour and what different colours can mean to different groups, it moves on to the technical process whereby colour arrives on screen and how colours in screen and in print differ. Tips on how to control colour on-screen are then given, including use of image palettes and techniques for placing the colour on the webpage. The final showcase of 300 sites displaying innovative use of colour shows what can be done and its functional effectiveness, providing readers with a source of inspiration for their own design.